ĐỀ THI THỬ ĐẠI HỌC VÀ ĐÁP ÁN NĂM 2012-2013 ĐỀ THI MÔN: VẬT LÍ SỐ 1

Tài liệu tham khảo và tuyển tập đề thi thử đại học, cao đẳng giúp các bạn ôn thi tốt và đạt kết quả cao trong kỳ thi tốt nghiệp trung học phổ thông và tuyển sinh cao đẳng, đại học . Chúc các bạn thi tốt!

Nguồn: diemthi.24h.com.vn  TRƯỜNG THPT ĐỨC THỌ ĐỀ THI THỬ (Đề thi có 06 trang) ĐỀ THI THỬ ĐH- CĐ LẦN I NĂM HỌC 2012-2013 Môn: VẬT LÍ; KHỐI A, A 1 Thời gian làm bài: 90 phút, không kể thời gian phát đề Mà ĐỀ 979   I. PHẦN CHUNG CHO TẤT CẢ CÁC THÍ SINH (Từ câu 01 đến câu 40) Câu 1:       ! " #     $%&# " '   &(  ! "   )* " +'!,  -.#  &  & /   +#&  / 0 # /   '!,1 " 0  .#  &  &* " ! " 2&! "   00  13  & / !  .2 " & A. 4 f 5 B. 6 - f 5 C. )5 D. - f Câu 2:   '  7&  8#  9  :&  ;3&$  :&  <  =  >  ;3&  +?  @ @ A B C x A t π ω = −  (9 D D A Bx A t ω π = + 0 7&E&F;>;3&+?GH4AωIϕB0J. 7K D >&L+MN O ?K @ >&L+M A. @P 6 0 B. 4 6 0 C. @4 6 0 D. 40 Câu 3:O0OK&Q0 O0OKR##<S0=T;(U O0OR V+WX(9 Y VZ[ X $[ \ $[ Z 19 VL;V#'Y&&] <#0^;<_X$\$ZT VL;&] <#K.T  8#9(#&;(U VL; <#VR9# !, `&a A. D D D D P R L C U U U U + + − = 5 B. D D D D P R C L U U U U + + − = 5 C. D D D D P L C R U U U U + + − = 5 D. D D D D P R L C U U U U + + − = 5 Câu 4:  (!    %  13  &0+b( " 1 " G     3  &%Z(!  '   &  " # " (  .   K( " %(!    / (  +*  !  1 " G%&.  '  &c(!     (  +*  !  ;!  &3 " &2  b  0  (!    %  13  &-01 (!  0$#   (!    ;#  '   &  " # " (  .   .2 " & A. 6K5 B. 4K5 C. K5 D. -K Câu 5:  0     G, " #K& " 0   0  K3  #  '!,#! "  / 0( "    + / #! " 02       ;$   0  3  #     2  ( "  ! " #   0  K0       ;# K H@4 D @PP  π AdB* "       ;  #'#  & ! " #K( " 1! " 13  .2 " &[ K HDPd( " [  HD4d    &#!     0  1 " A. P$C B. P$eCC C. P$e D. P$fPf Câu 6:+'!,K&'3"&(.3&g$..#&&. -0(++'!,K.   D 6 051 " (  +*  +'!,K&! " !    .   D D 0c / &  .2 " & A. @D λ 5 B. C λ 5 C. 4 D- λ 5 D. D- λ Câu 7:7 7& VG,8#h0L,&i#Y V&#j--PAkB(UV=&#jP$e$V# VTV#'Y&h13U V19DDPAdBlL M3m& 7V#'Y&O,n# 7& A. CK5 B. D$4K5 C. DK5 D. @$CK5 Câu 8:70L,;L VG,8#@;>+&Q0-i;No$0#=<='p& VG,8#;L+ 194Pq?+;Sn#,(U= 719 A. 4PP(p&r;`5 B. @4PP(p&r;` C. 6PPP(p&r;`5 D. f4P(p&r;`5 Câu 9:+0i3U>&#Q;L>&%TF; @ $ D ' 7&# " &;b;3&s& R&(   ! "   )H@Pq( " # " &;       +#, "   &+02  3  1 " 6P0r$1 "   / 0+02  3     @ HDf05 D H@t0( "  @ HDP05 D H6@05    / 0'   &(  .   3     +   2 / &1 "  A. 45 B. f5 C. -5 D. C5 J0D- lb0+ J0=&V;u8 L;L=&V;u 8=&V;+#&;E&L20lb0+ L;L 8=&V;u Nguồn: diemthi.24h.com.vn Câu 10:Z0O VG,8#X\Z0v=T;T\H6@e05ZH@f w µ 5 VL; <#0O19 BdBA-r@PPAD@DP# π−π= 53m& 7'p& V+&0O>.J#R BKBA@Dr@PPADD$@ π+π=  JV=&#jh0O19P$C?;S&x;007 V+WX P (UX19 A. &&X   + / X P HD4 Ω  B. =T;(  X   + / X P H@4 Ω  C. &&X   + / X P H64$4 Ω  D. =T;X   + / X P HC4 Ω  Câu 11:c i07 VL;G,8#>&L+MV#'Y&%& E(9#7j;? VL;Rj;19-d c2&=(p&'!,Rj;-(p&? VL;j;19? VL;Rj;19D[5%&S0=(p&'!,Rj; D(p&? VL;Rj;19[c2&  ( " &'!,3  !  ;6( " &* "      ;3  !  ;.2 " & A. 4$4d5 B. Cd5 C. @Dd5 D. td Câu 12:uL.J#9# !,19sai%>(8' 7&h1v A.yn#1NSh0+3m&Ba A. c(zi&W(M+.$T2&h1v.{&2&h> B. c(zi& n#(M+!.{&$?+&1NL'Y&1>!.{&(U1N2&h'!, C. c' 7&(U. 7.x?' 7&h1v19' 7& 8#p D.  7&h1v1>#<9 Câu 13:uL.J#9# !,19đúnga A. c>>&'o&+'!, 9Q?&#Q;L>&&o&' 7&pL J0+'!,(|' 7& B. c>>&'o&+'!, 9Q?jSL J0+'!, 8#'o&1O%&' 7& C. = 7+#,8>&+'!,%&;Y#7(9=`>&,.Y&>&%>>&'o& D. c>>&'o&+'!, 9Q?+'!,}p>&;SGO$p>&  .M+V# Câu 14:+&07&V0&>&+0i3U$&#Q%TF;K(9' 7&(U<=)H DPq(9:&;O07 J0LK(9]&%S&' @ H@e0$' D HD40>&>. 7NJ# ](9 3m&+#&+NhK>.'~,N O%L= 7+#,8>&+0i3U19 A. @P0r B. -P0r C. @40r D. DP0r Câu 15:7F'!, 9Q>>&'o&(U<=1T;19@f4q( " DD4q<=yj J>>& 'o&+'!,19 A. 0 4Pf Hz=  B. 0 @D4f Hz =  C. 0 D4f Hz =  D. 0 4f Hz=  Câu 16:\! " 13    '#  &( " 07(z>%=13F&0H@%&&2  ( " 1pG> 7R&%H@Pr0  &  13   .    " # " b3  &+# " &(  +#  # / 1 " G+&:&07 8#%V(81NSh0+3m&$? .J#R&O1N 8#99# !,1901v' 7&3•&.R(U. 71Uja A. wH P AD BH cos t π B. wH P A B D H cos t π π + C. wH P D AD BH cos t π D. wH P D A B - H cos t π π +  Câu 17:     0   & " 0   + / X$#  #! "  / 0\( " #     Z02      ;A+&   X$\$Z1 " 3 € & &  +  3 € #  ( " %  PB2       ;G, " #  &  +    #'#  &[$! "   )* " !  ,     ; ! " #   + / X$#  #! "  / 0\( " #     Z1! " 13   6 D R U U = 5 D L U U = 5c! "   ' " &   1 " D)* "      ;+    + / $+#     ( " +#   / 01! " 13  .2 " & A. 6 6 $ $ 5 D D R L C U U U U U U = = = B. 6 $ 6 $ 5 D D R L C U U U U U U= = = C. 6 $ $ 5 D D R L C U U U U U U= = = D. $ $ 5 R L C U U U U U U= = = Câu 18:+&0     G, " #X\Z02      ;* " A.     ;3   "  /  ! " #   0  .2 " & / &       ;3   " +  ;! " 3 /  B.     ;  #'#  & /  ! " #   0  .2 " & / &       ;  #'#  &+  ;! " 3 /  C.     ;3      /  ! " #   0  .2 " & / &       ;3     +  ;! " 3 /  D. ' " &   3   " +&0  .2 " & / &  ' " &   3   " n#  ;! " 3 /  J0D- lb0+ J0=&V;u8 L;L=&V;u 8=&V;+#&;E&L20lb0+ L;L 8=&V;u Nguồn: diemthi.24h.com.vn Câu 19:\N%x(8  '#  &1(!  '   &  " # " không >j# !,a A. c1   # / (!       1  3     * " 13  %b  ( "      1  3      B. c&  # / (!       1  3     * " 13  %b  ( "      1  3      C. c  2&# / (!  3     * " 13  %b  ( "      1  3      D. c(!    # / (!       1  3     * " 13  %b  ( "      1  3      Câu 20:Z;L.J#đúng%>(8'p& VG,8#a A. c>'p& VG,8#n##7S0?1#>V3F&NS0 B. c>'p& VG,8#O,n#.>& •$ •L&.?3m&(9%&j;L,19(?3m& 7 'p& VRm1#.{&3m& 7'p& V M0Rh.>& C. c0v=T;.>& •(UY(9 i(9 <# O0O >07 VL;G,8#?.>& •} O 7&%Y.M Lh& D. Z>J':&'p& VG,8# J+NT;0O V Câu 21:  (!    %  13  &0HD4P&&2  ( " 1 " G     3  &%HD4r0+b2 / & 3  &3 " (  +*  !.2 " & %b  (!  G#  &;*  '3  6 6 0( " +#, " (!  (!    6P0r3  &G#  &'3  Z  +#       ‚G2 / & 3  &$&  ‚  (  +*  !.2 " & " #'3&3  &1+$&   " &1#  +#, " (!    (!  u3&+* "  '   &# / (!  1 "  A. 4 CA@P B C x t π = − 5 B. 4 CA@P B C x t π = + 5 C. 6 6 C A@P B - x t π = + 5 D. CA@P B C x t π = − Câu 22:VL;&] <#07 O0OX\Z=T;U0;πr-(U3m& 7'p& VuL.J#9 # !,19 `& =(U O0O9,a A. V#=&]S0%L&(9'#&%L&.{& V+W#<h O0O B. VL;&] <# V+W#<U0;πr-(U VL;&].SY V C. E&+Wh O0O.{&1< V+W#<h0O D. <='p& V+& O0Oy&L+M< JGS,+7&3W& Câu 23:zGx9# !,19không đúng a A.  7&3•&.R><=.{&<=h1N3•&.R B.  7' 7&3•&.R%&;Y#7(9<=1N3•&.R C.  7&'#,+?>#%?.{&#%?' 7&+&h1v D.  7&v'<9&T#1NSh0+3m&9&1U Câu 24:+&07 O0OG,8#K&Q0 OK(90v=T;OK&Q0 V+W #<X0v=T;(UYZ$ OR#7#<S0\c0O &>7&3W&$T## >} 2&<=h VL; 2  ( "  ! " #   0  ?%T1#z9# !,19không `&a A.     ;V#'Y&+ OK2& B.     ;V#'Y& <# V+W#<X&S0 C. p& V+&0Oz0;     ; i(90O <#0OK D. Z3m& 7V#'Y&+&0O&S0 Câu 25:2  0       ;#H DU A@PPƒB(" !"# 0K3 +/X P H6P„("#'!,#!"  / 0     3   / 0 P D 4 L H π = * " ' " &     #'#  &+&0  1 " …2      ;(     0  K0  0     A3  +&6;! " 3 /    + / X$#  #! "  / 0\$#     Z02      ;Bc 2       ;+ ( "  ! " #   0  * " ' " &     #'#  &+&0  # € &.2 " &…( " ' " &   3   " # " &;(       ; 3   "   0  & " 0 A. 6 @P -P - R va C F π − = Ω =# 5 B. 6 @P 6P - R va C F π − = Ω = # 5 J0D- lb0+ J0=&V;u8 L;L=&V;u 8=&V;+#&;E&L20lb0+ L;L 8=&V;u Nguồn: diemthi.24h.com.vn C. 6 @P DP - R va C F π − = Ω =# 5 D. 6 @P 4P - R va C F π − = Ω = #  Câu 26:  12   & " 0(!    %  13  &0&2  ( "   '!,   " #' " 1.2 " &eP0$'   &    &  +3  '&H@P0r D A1!,ƒ D H@PB$%n#(  +*  !.2 " &(!  (  0  "  " G#,!0(  0  (!  %    %  13  &H60 2   / 0b  ;. "  /    (  02   !  #(  0$%(!  0  1      3     1! " 3  !  * " # € &1#     (!    %  13  &+  0 !   / n#0  13   / $ " &(  0+!  &2  Z " # .2 " & A. @0 B. P$e05 C. @$C05 D. @$D405 Câu 27:lb       ;G, " ## @ H[ D A† - π B( " # D H[ D A†I‡BA.‡ - π ≠ − ( "  D D 6 6 π π ϕ − ≤ ≤ Bˆ /  "   / 0 /      ;3   " # " &  &  +   D D U +#/‡.2"& A. D π B. D 6 π C. 4 @D π D. - π Câu 28:uL.J#9# !, =(U'p& VG,8#.;19không đúnga A. #j V 7&G,8#1V;#@DP P B. 'p& VG,8#1#1V;#@DP P C. 'p& V:&<= D. #j V 7&:&<= Câu 29:7&#Q!0 2 / &3  &S_$1 "   / 0     +&%&&* / !  !0'&# "  ;  +    / 0  3 " &   !01 " …$  / 0  03  3 " &   !01 " 4'c2&&#!  # / &# " !0  / 3 " &   !0  2&@P1! " * " 03  3 " &   !0   A. 2&@P1! " 5 B. %&  / 5 C. 2&D1! " 5 D.2&61! " 5 Câu 30: V# V  T (9  3m&  7  'p& V  +&  O  0O  } >  #7 '!, #< S0  >  'O& P A Bu U t ω α = + (9 P P A B - i I t I π ω = + (9 α >&L+M9# !,a A. P P 5 D U I rad L π α ω = = B. P P 6 5 - I U L rad π ω α = = C. P P 6 5 - U I rad L π α ω = = D. P P 5 D I U L rad π ω α = = − Câu 31:12 ' & "#"(. &‰ P ‰ P HP$tfc(! n#(+1 &‰ "132&'!,.2"&+&13#/(!+‰.2"& A. ‰HP$te5 B. ‰H@5 C. ‰H D 6 D. ‰HP$tt5 Câu 32:1v >:& 7'9$:&%=13F&(zi&h1v >0& V1<13F 19n @ (9n D Z`& 3F i(9+& V+3m& 8#>;3&s& R&3U&G#=&?#%?' 7&.x hL1v1<13F19 @ HD P (9 D P D   6 = $(U P 19#%?h`&%%&> V+3m&}= @ D n n > &L+M19.#a A. D 6 B. 4 6 − C. @ 6 − D. 6 4 − Câu 33:71v >8#'91+&%S&m&∆>NV@D' 7&c&S0 7'9 6D0?Š&+&m&>+$1vNV 3FDP' 7&Z8#'9. <#h1v.2 " & A. -P0 B. 6P0 C. 4P0 D. eP0 Câu 34:  ‚  0  &# " !0 2 / &3  &$  .  / 0K$$Z2 / & " &# " &;*  (  ‚  3 " &   !01! "  13  1 " … K 5…  5… Z   … K H@PP…  H@PPPP… Z ( " ZHDD40c / &  KZ.2 " & J0D- lb0+ J0=&V;u8 L;L=&V;u 8=&V;+#&;E&L20lb0+ L;L 8=&V;u Nguồn: diemthi.24h.com.vn A. D-f$405 B. DDf$40 C. D4P05 D. DD$405 Câu 35:+&' 7& 8#9h07(zm&&vj&]1<1T;(z n#(M+ 7&2& .{&T2&19P$PtS_Om07m J0(z n#(M+>T2&k  $ 7&2&k (9# >m &‹(z n#(M+> 7&2&2&&j;61<$T2&&S061<L+Myjh‹.{& A. P$PC B. P$@e C. P$P65 D. P$@D Câu 36:    n#!  0  ,.    ;(       ;!  ;1 " %&  / cn#!    ( " &'!,3  !  ;'%&   0  ( " &'!,   " ,  € '3 " &1  ( "       ;3  !  ; JW 3  @6d$   " ,  ;#  n#!   0Df( " &+ "       ;3  !  ; JW 3  @f$4dT VL;j;>&L+MV#'Y&%& E  ( " & '!,  € n#!  . ! " #1 " A. fe( " &5 B. @P4( " &5 C. 4@( " &5 D. @6P( " & Câu 37:(!    %  13  &.2 " &# 3  &2  ( " 1 " G&  &# 2  2 " 0&&'   &+ 3 " &2 / &&&  #  # " &(  +*  !.2 " & ! " #(!   3  %b  + / # " &0  (  +*  $&3 "   / b  (!  @#, /    &$%(!  @ n#(  +*  !.2 " &* " &3 " .2   ! " # / b  (!  D(!  '   &  " # " (  2&1 " - 6 Œc(!  @     &2&1 "  6 Œ* "   2&# / (!  D.2 " & A. 6 Œ5 B. 6 6 Œ5 C. DŒ D. D 6 Œ5 Câu 38:8#9# !,19sai%>(8]& i+3&1h>&!0a A. +&# " &0  0+3 " &3m& 7!09&1U?>&!0+#,8  3F " &G B. 7h!02&%<=' 7&h&# " !02& C. 7h!0* / 1  #!  (  03  3 " &   !0 D. •0vh!0;Y#7L i(z1Žh!03. 7$<=(9L9;<j#Oh!0 Câu 39:  (!    %  13  &0H@PP& 3  *     *  nH@P C Z&2  ( " 1 " G     3  &%H-Pr0 2  + 02  ;2 / &&&%&0   ! " #&3 "   1!  ;0     +3 " &2 " 0&&$  3  &+# " &(  +#  # /  1 " G$  3 " &   •He@P 4 dr0$%   (!   3  &, / (  +*  !.2 " &&3 "    &  &2     +3 " &#% &2     +3 " &(!  '   &  " # " (  .   .2 " & A. @D$40 B. D$405 C. -05 D. D05 Câu 40:uL.J#9# !,19 `&%>(8(z' 7& 8#9a A. \NL'Y&+&' 7& 8#9b3U&h(z= B. =h(z' 7& 8#919&=.T E 8# C. dz=h(z' 7& 8#91#&3F8#(U&=(9}1V(U&= D.   ;1NL'Y&( " (!  +&' 7& 8#91#3U&(8(M+!.{&(9}1V(U1 7 II. PHẦN TỰ CHỌN (10 câu BThí sinh chỉ được chọn 1 trong 2 phần sau đây: A. Phần dành riêng cho thí sinh chọn phần cơ bản (Từ câu 41 đến câu 50) Câu 41:7(z' 7& 8#p(U. 7K(9<=&†m&&vj J(z  3Fn#~& 3m&> 7'9K19 A. C π ω . B. @D π ω . C. @ C ω . D. 6 π ω . Câu 42:ZL O0OG,8#K$$1<13FRL;<_.T+WX5#7'!,#<S0>V =NS0\5Y V> V'Y&Zi(9 <#K07 VL;G,8#>&L+MV#'Y&[%& E$ p=&>†, E 3FJ=}h(%T1Ž3W& i&] J0K$%&;Y#7(9&L+Mh X?†;S>&L+M A.  Z\ D =ω B.  Z\ @ =ω C.  Z\D @ =ω D.  Z\6 @ =ω Câu 43: Z O0OX$\$Z=T;(U\>J, E 3F+& >X(9ZGL MO V 3F i'3UV# VT#H[ 2  w dU[%& E(9 w +3UcV# VTV#'Y&&] <# #7S0N O?VR9# !, `& A. \Z† D HDZ D † D X D I@ B. \Z† D HZ D † D X D I@ C. \Z D † D HZ D † D X D I@ D. D\Z† D HDZ D † D X D I@ J0D- lb0+ J0=&V;u8 L;L=&V;u 8=&V;+#&;E&L20lb0+ L;L 8=&V;u Nguồn: diemthi.24h.com.vn Câu 44:j J0' 7& 8#9'b 3m&s&&&(U+Y‚G$O#$(U:& . 7(9<=dM+!.{&h`&Gb03+:&#A:&O 7BT+{&% &&n##$ j J0#,J 7&&3F8##(9 8#> 71Uh1 7.{&07_. 7V#;h ' 7&9,>J19&L+M9# !, A. D π 5 B. 6 π 5 C. π 5 D. D 6 π 5 Câu 45:7(z>%=13F&0+b(91pG> 7R&%%(z' 7&(U. 740?# %•' 7&19DT#%(z' 7&(U. 7@P0?#%•' 7&19 A. DAB B. eAB C. @AB D. -AB Câu 46:= 7+#,8>&+&070+3m& A. ;Y#7(9.Sj0+3m&(9. 7>& B. 2&b3m& 7>& C. };Y#7(9 ih0+3m& D. ;Y#7(9.Sj0+3m&(9<=>& Câu 47:7#7'!,>DPP(p&$'V0^(p&6PP0 D $ 3F i+&07o+3m& 8#$S0R&o P$P4Z#7'!,>Jn#,  " #n#07+Y =GR&h>$(#&&>(Uo+3m&?#j V 7&N OG#jV+&#7'!,19D6$fd= 7&># / #  '!,.2 " & A. ftP+'r B. ft+'r C. f$t+'r D. @DC+'r Câu 48:71v1pG&Q0(zy(91pG‘> 7R&@PPr0Z1v' 7& 8#pb;3& &&(U;3&+?GHKAωI‡B=T2&O(M+!.{&cS&m&&]1<1T; 1v> 7&2&.{&T2&19P$@\j,ƒ D H@Pc=13F&(zy.{& A. -PP& B. DPP& C. @PP& D. -P& Câu 49:O V0v=T;&Q0 V+W#<XH@PP Ω 6 $#7S0#<> 7NS0\H π @ (9Y V> V'#&Z, E 3Fi VL;#H[  A@PPƒBA.{&B(9 <# O0O(9, E V'#&Z%Z @ H w C @P - π − (9ZHZ D ? VL;V#'Y& <#Y>:& 71UL+MZ D .{& A. w 6 @P - π − B. w - @P - π − C. w @P - π − D. w D @P - π − Câu 50:7>&1+#,8+07;3&+#,8>&u3&+?>&h07 J0+;3& +#,8>& >19#  H6AππrDB0  u3&+?>&h07 J0+;3&+#,8>& >19#  H6AπIπr-B0AdUHD40BuL.J#9# !,19 `&a A. >&+#,8o T(U(z=@r60r B. >&+#,8o T(U(z=@r60r C. >&+#,8o T(U(z=D0r D. >&+#,8o T(U(z=D0r B. Phần dành riêng cho thí sinh chọn phần nâng cao (Từ câu 51 đến câu 60) Câu 51:7j J0' 7& 8#p++Y‚G(U#%•(9. 7K. dM+!.{&hj J0 +:&(U&= 7+&%S&m&∆AP’∆≤rDB$n#~& 3m&1Uj(9yj09(z>J  3F1<13F19 0G (9 0 .2 " & A 0G HDKAπ∆rB5 0 HDKAπ∆rB B.  0G HDKAπ∆rB5 0 HDKDKAπ∆rB C.  0G HDKADπ∆rB5 0 HDKADπ∆rB D.  0G HDKADπ∆rB5 0 HDKDKADπ∆rB Câu 52:7>&1+#,8+07F'!,(U#%•$. 7 Am J0  $1, 7hL ;<_O(9Z3&R&19“D-00(9ID-005L;<_O+#& J0hZ &W(M+! .{&m J0 @ $1, 7hL;<_O(9Z:&19I@P00?;<_WL(M+!.{& h> ADC00 B. De00 A. 6-00 D. @f00 J0D- lb0+ J0=&V;u8 L;L=&V;u 8=&V;+#&;E&L20lb0+ L;L 8=&V;u Nguồn: diemthi.24h.com.vn Câu 53:7(z+vn#,n#07+Y= M'3UL'Y&h00b1N%& E(9%L%&+& +3m&F;9,$ O13F&, E19 A. 00b 7&13F&h(z =(U+Y > B. 00bn#Lh(z =(U+Y > C. &=&>h(z D. %=13F&h(z Câu 54:7n#S<# i$%=13F&0$ Q&j>.L%X 3F+b.s&0S%&&S$%= 13F&%& L&%J$8#'9 l R = $(90x;n#S<#O>&=+&+3m&&V1vNV' 7& 8#9(U. 7yZ#%•' 7&h1v19 A. D l T g π = B. @@ D 4 l T g π = C. 4 D @@ l T g π = D. D D 6 l T g π = Câu 55:7Gb #.v <#O,+07 3m&+p.L%6DP0lb#,J 7&'< 8#$R# 07&!,= 7hGb1O2&0P$e0rO(M++n#” O09 71Uh&=3U&!0(9T; #,T.{&#$= 7hGb19 A. @C0r B. e0r C. @D0r D. DP0r Câu 56:7 • Q&j$%=13F&H@P%&$.L%XH@$P0n#,N'(U(z=&>†Hf$P+'r n#+Y =GR&h>A+Ys& R&B7(zy%=13F&0HP$D4%&+s& R&(9 •O07 J0L+Yn#,P$t0(9'i(9 >= 7&>hV19 A. 4$ft+'r B. f$De+'r C. C$f6+'r D. C$eC+'r Câu 57:V#R&=;1b&!,+V3F& A. , E3m& 7!0%&#Q!0#,J 7&(U&3m&b B. , E. 7h!0%&3m&b#,J 7&1O&<&#Q!0 C. , ES 7(93m& 7!0%&#Q!0#,J 7& D. , E 7h!0%&#Q!0h(U&3m&b Câu 58:700b1N> 71U6P0L'Y&(907.LGb>00bn#L =(U+Y.LGb19 D%&0 D T#.LGbn#,'< 8#o+O&L&}? 7&2&h.LGbWm J0H@P19 A. • H@e$6%Œ5 B. • HDP$D%Œ5 C. • HDD$4%Œ5 D. • HD-$C%Œ Câu 59:&#,v#>& Vo'N(9 A. V3F&7&3W& V+&0O\Z5 B. V3F&.RGO>& Voh0O' 7&W5 C. V3F&j;Y>& Voh0+3m&5 D. V3F&&>& Vo5 Câu 60:+&0O' 7&\ZOm J0HP$ V+Y>&L+MN O– P ?# >P$D4#%? V+Y>&L+M19 A. nH P D Q B. nH– P C. nH P - Q D. nHP — J0D- lb0+ J0=&V;u8 L;L=&V;u 8=&V;+#&;E&L20lb0+ L;L 8=&V;u