Đề thi vào 10 (Đáp án chi tiết)

   !! TRƯỜNG THCS SỐ 2 ĐỀ LUYỆN THI TUYỂN SINH VÀO LỚP 10 BÌNH NGUYÊN Môn: TOÁN - Thời gian làm bài: 120 phút ĐỀ THI THỬ 1 (Không kể thời gian giao đề) Bài 1 "#  $ % % $ % % % %  & %  %  %  % %   + − + − − = − ×  ÷  ÷ − + +    '()*+*,-".%*"# &*/0 %1 *2 "'345"# & Bài 2'671-8-9*:2;<' =8,    %  = −  "'>5?8*/@A*B* ( ) C  -8 D,D +E1 *2+**/@ A?.%4 -*:2;<'()F*G.* 'E1 *2+**/@A? H;<'F*I" D8*G?/J Bài 3>7/JK) % %  % L− = + Bài 4G, D M,N.*O P M, =D)*/0 G,J ,*Q 8L$(O =,*Q -8,F8"RSS(),*Q  Bài 5(TG*&U8*/@KV;W'-9..&XY&-8 1. &ZN =*/@KV*D>5[8K* =?IZN '#N\*&YXY[YWY ]RK^G*/@KV "'<8G*_`K^ a » X (T<?b 1 *F<cY<Y<de #b-fD g/0- 1  FXY&Y&X#  <c < <d= ×  HƯỚNG DẪN Bài 1: '+ ( ) Y    Y  x x x x x> + + = + ≠ − ≠ x ⇔ > -8 x ≠ . "' ( ) ( ) ( )  $ $ $ $       x x x x x x x x x x + − + − − = − − + + + − + ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )   $  $       x x x x x x x x x + − − − + = = + − + − x x x x x x + − − = ( ) ( ) ( ) ( ) ( ) ( )       x x x x x x x x x x x x + − + + − − + = = = hK $ $     x x x x x x A x x x x x   + − + − − = − ×  ÷  ÷ − + +    ( ) ( ) ( ) ( )         x x x x x x x x + − = × = + − Bài 2: 'i(j%1 *2 =8, R ihb".^8, D?F    %      = = − <  ÷   Y^8,*:".K^3 ! Y2  ".K^3 i -8"R+%k iX71K2 X^jHOÀNG CHƯƠNG >-(K/@(hh,X)N^ (8/8G"G % !  −       %  = − !   −    − !  %    !! i:28,8*/@K" D*lWYKm *,%#W "' i</JK)*/@A?  D,D +   % " = +  -8 *B*  ( ) C   ^   " "   = + ⇔ = − c*D/JK) =?8  %   = + −  i</JK) 8*G* =?-8;<'    % %   % %    ;n'  − = + − ⇔ + − + = i?.%4 -;<')/JK);n' D+o  p       L∆ = + − = ⇔ = − ±  iq  La = − − 8*G.*8 %   L  r  L = − = + ⇒ = − −  c*D.*8 ( )  L C r L+ − − iq   L= − + 8*G.*8 %   L  r  L = − = − ⇒ = − +  c*D.*8 ( )  L C r L− − + 'i? H;'F*I" D8*G?/J) ( ) ( )    L    L p      <       L  h      < − − > − +   ∆ = + − >   = − + > ⇔ < ⇔ < − −     = − >  <   Bài 3:i+%1 *2 =/JK) x ≥  % %  % L % r % L − = + ⇔ − − = Cs E % = Y-*+ X ≥ </JK)*Q KU8    E rE L  E C E L − − = ⇔ = − = , .*+Y D E % L % $L= = ⇔ =  qj/JK)*Q  DG%k$L Bài 4: >5 M,8 m 8%Y M,8*J-28 n %Y  N C %Y  S∈ ≤ h,*Q 8%iY-8,*Q*O P M,8i% (e*g"8 D  L$  S S L$   SS   SS y x x y x y x y y x x y + − = + − + =   ⇔   + + + = + =   >78*0 8 C tx y = = qj,*Q 8t Bài 5:'i( D[8K* =?I ZNY^*/@+uBW-8[-fD -ZN i  · · · WX& W& W[& -= = = Y^XYY[YWY&UK^ */@KV*/@+uW& "'i1 #1 <cXd-8<c*G.*/0 Y-) DD *,?8D -f i  Eo      1  <c  -8  <dcY    D · · · · c< X& -C c<d X& - + = + =  Z8  · · X& X&=  ;D G. ] H   » X ' hK · · c< c<d =   i · · c< c<= ;D G. H  » c< 'C  · · c< dX<= ; ] H  » X< 'C · · d<X dc< = ; ] H  º d< 'C ihK · · c< <cd = ⇒∆<c∽∆<dc  <c < <c < <d <d <c ⇔ = ⇔ = × X^jHOÀNG CHƯƠNG >-(K/@(hh,X)N^ (8/8G"G    !$! TRƯỜNG THCS SỐ 2 ĐỀ LUYỆN THI TUYỂN SINH VÀO LỚP 10 BÌNH NGUYÊN Môn: TOÁN - Thời gian làm bài: 120 phút ĐỀ THI THỬ 2 (Không kể thời gian giao đề) Câu 1'E1 *2% ∈ 3*"# &k xx xx −+ −−+      8G,b^ "'"# <k  %  v % %  v   v%  v  + + + + + + + + X.%vkYu <  Câu 2:  1 *&;−C'CX;C'C;C'Cc;−$C' '#$*&YXYcA8C$*&YXY+fA8"'(uh ∆ &X  Câu3>7/JK) r $ =−−− xx Câu 4*/@KV;WC3'-8G*& W&k3  q9 1 ..&XY&-*/@KVZGD ·  %W r= H*FA&X-8&g/0Fc-8Z3 'c8.. =*/@KV;W' "'  3 c 3 $ < <  HD: Câu 1'&k       %  % %  % %  % ; %  %' % ; %  %'; %  %' + + + − − = + − − + + = − + − + + &8,b^ ⇔ −%8,b^ ⇔ + %  = ;K*D+∈w-8+≤' "'+%1 *2%YYv≥Y+.0-%vk*/0 %YYvx-8 %v =  NI 7y-8z =Fy#- % CUz =Fy#$"U xyz */0  % % %  %  v <  % %  % %  v; %  % % %  + + = + + = = + + + + + + + + ⇒ < = -)<x Câu 2'/@A*B*&-8X D?Fk%i" &;−C'-8X;C'G */@A&X^ ⇒ "kCk qj*/@A&X8k%i ;C' DF*G+f7Qk%i^+fG */@A&X ⇒ &YXY+fA8 c;−$C' DF*G7Qk%i^*cG */@A&X ⇒ &YXYcA8 "'( D&X  k;−−'  i;−'  kC&  k;−−'  i;−'  k X  k;−'  i;−'  k ⇒ &X  k&  iX   ⇒ ∆&X-fF qjh ∆ &X k   &Xk r   = ;*J-2?u ' Câu 36E% ≥ Y*s $ %  C  % -− = − =  D/JK)  $  - r  -  − =   + =  >7/JK)"R/J1.*/0 -k ⇒ %k Câu 4'{?m*2u<u*/0 &Xk&k3 ⇒ &XW8)-f 6|"1+uWZ  · · XWc ZWc= ⇒ · · ZW W= #∆XWck∆ZWc⇒ · ·  WZc WXc S= = (/Jb · WZ kS  ⇒ cYZYA8c*Dc8.. =*/@KV;W' "Eo∆&c Dc}&ci&8ckcXi ⇒ c}&ci&icXic}&Xi&k3 ⇒ c}3 ( Dcx&cCcx&CckcXi GT */0 $cx3 ⇒ cx $  3qj3xcx $  3 X^jHOÀNG CHƯƠNG >-(K/@(hh,X)N^ (8/8G"G %   c Z &  X W    !! TRƯỜNG THCS SỐ 2 ĐỀ LUYỆN THI TUYỂN SINH VÀO LỚP 10 BÌNH NGUYÊN Môn: TOÁN - Thời gian làm bài: 120 phút ĐỀ THI THỬ 3 (Không kể thời gian giao đề) Bài 1: "# <k ( )         − +−         + + − − −     x xx xx xx xx xx '345< "'()%^*< D1K2^ Bài 2: /JK)%  −;i'%i  i−Lk;n' '()*/JK);n' DI "'()*/JK);n' D%  C%  7Q $  $  xx − kr Bài 3/JK)%  i"%i k D?/JI"%  Y%    # '</JK)   i"ik ~ D?/JI"  -8   "'#%  i%  i  i   ≥  Bài 4: 1  D 1 D 5&XG.*/@KVIW8Kb I =1  c8G*K^ X+f #*& 'E1 *2-2Ku =*c*#1 Xc8)")8 "'>5<-8•g/08 1 **,%# =*cB 1 */@A&X-8& #KR$*<CC•A8 '()-2Ku =*c*<• D*G?8€ Hướng dẫn: Bài 16% C ≠≥ x  '345<k ( ) ( ) ( )         x x x x x x − − − − k   ';   − + = − − x x x x  "'<k      − += − + xx x <^) %   %  % C %   %  %  %   % $ % SC %   % ;•' − = ⇒ = ⇒ = − = − ⇒ = ⇒ = − = ⇒ = ⇒ = − = − ⇒ = −  qj-%k‚CCSƒ)< D1K2^ Bài 2'/JK) DI) ( ) ( )             L  % %   L  % %     ∆ = + − + − ≥   = + − >   + = + <    r  ; '; $'   $      ∆ = >  ⇔ − + > ⇔ < −    < −   "'>7/JK) ( ) $ $   ; $' r− − + =        r   r;$ $ „' r      r    − + =   ⇔ + + = ⇔ + − = ⇔  − −  =    Bài 3: 'q)%  8 =/JK)%  i"%i k^    %  "%    + + = q)%  x⇒       "   % %   + + =  ÷    X^jHOÀNG CHƯƠNG >-(K/@(hh,X)N^ (8/8G"G    !r! #a   % 8G?/J =/JK)   i"ikC  k   %  q)%  8 =/JK)%  i"%i k⇒    % "%  + + = -)%   x^        "   % %     + + =  ÷  ÷      *8 #a    x  8G?/J = /JK)   i"ikC  k   %  qj./JK)%  i"%i k D…?/JI"%  C%  )/J K)   i"ik ~ D?/JI"  C    k   x C  k   x "'c%  C%  C  C  *8M?/J^   i%  k   x i%   ≥ C  i%  k   % i%   ≥ c*D%  i%  i  i  ≥  Bài 4 '>7y*Q)*/0 *cK^ X #1 Xc8)")86 *DXc††Cc††X-)8Kb I1 &X^ ⊥&X-8X⊥&⇒Xc⊥&X-8c⊥& c*D ·  &Xc S = -8 ·  &c S=  qj&c8*/@+u =*/@KVIW N/0 F.c8*g*/@+u&c =*/@KVIW)#1 Xc8X "'q)<*,%#-cB&X^ · · &<X &cX= C  · · &cX &X= C · · &cX &X= c*D · · &<X &X= Zs+1  · · · ·   &X &X t  &<X &X t+ = ⇒ + =  (#1 &<XG.*/0 */@KV^ · · <&X <X= Z8 · · <&X c&X= ?*D · · <X c&X= #/Jb D · · • c&= qj · · · · · ·  <• <X X • X& X t= + + = + = X*<CC•A8 '(€ ∆ &<•81  I*l& D&<k&•k&c-8 · · <&• X&= +f*O^ F*1<•*F1K2€&< -8&•8€&c8€ c8*g*/@+u+|T& =*/@KVIW X^jHOÀNG CHƯƠNG >-(K/@(hh,X)N^ (8/8G"G H O P Q D C B A    !L! TRƯỜNG THCS SỐ 2 ĐỀ LUYỆN THI TUYỂN SINH VÀO LỚP 10 BÌNH NGUYÊN Môn: TOÁN - Thời gian làm bài: 120 phút ĐỀ THI THỬ 4 (Không kể thời gian giao đề) Bài 1"#  ( ) ( ) ( ) %  % < ; %  ';  ' %  ' %  %    = − − + − + + + − '()*+ =%-8*<%1 *2345< "'()%Y^aQ/JK)<k Bài 2K";<'k−%  -8*/@A;?' D,D *B*Z;−C−' 'Z3-51K2 =;?'f H;<'F*&YXI" "'E1 *2*&YXR-u =Km  Bài 3>7/JK)        =++ =++ =++ „   S zxyzxy zyx zyx Bài 4*/@KV;W'*@+u&Xk3-88G*G */@KV;‡&C‡ X'(K^ysA"@&X D #*Y+|&%.%4 -*@KV;W'Y5Z8 * uM = a&(X H&%F•Y&Z HXFN '# 1 1 X&N-8ZN I "'6ZXkZ•YuXe3 Bài 5 %YYv 3 ∈ aQ zyxzyx ++ =++  Qu1K2 ="# Zk  $ i;% t − t '; S iv S ';v  −%  ' Hướng dẫn: Bài 1'+*<%1 *28 % C  C  C %   ≥ ≥ ≠ + ≠  '345 ( ) ( ) ( ) ( ) %; %' ;  ' % %  < %   %   + − − − + = + + − ( ) ( ) ( ) ( ) ( ) ;% ' % %   % %  %   %   − + + − + = + + − ( ) ( ) ( ) ( ) ( ) %  %  % %  % %   %   + − + − + − = + + − ( ) ( ) ( ) ( ) ( ) ( )       x x y x y x x x y + − + + + − = + − ( ) %    %   − + − = − ( ) ( ) ( ) ( )     x y y y y y − + − − = − x xy y= + − qj<k % %  + − "'<k ⇔ % %  + − k  ( ) ( ) ( ) ( ) %      %     ⇔ + − + = ⇔ − + = ( Di  ≥ ⇒  x − ≤   %  ⇔ ≤ ≤ ⇒%kCCC$C (-8 D 1  s1K2;C'-8;C'7Q Bài 2:'/@A;?' D,D -8*B*Z;−C−'N^/JK)*/@ A;?'8k%i− 8*G* =;?'-8;<'8 =/JK) −%  k%i− ⇔ %  i%i−k;n' X^jHOÀNG CHƯƠNG >-(K/@(hh,X)N^ (8/8G"G Q N M O C B A    !„! q)/JK);n' D ( )     t      ∆ = − + = − + > ∀ ^/JK);n'f D I"Y?*D;?'-8;<'f HF*I"&-8X "'&-8XR-u =Km  ⇔ /JK)%  i%i−k DK1 ?€ ⇔ −} ⇔ } Bài 3 %  v S ;'     ;' %  v % v %v „ ;$'  + + =   + + =    + + =  6E % Y  Y v  ≠ ≠ ≠  ( ) ( ) ( ) ( ) ( )                       %  v t %  v  % v v% t %  v t  % v v% %  v „ %  v % v v% ;%  v '  % v v%  ;% ' ; v' ;v %'  ;% '  %  ; v'   v %  v v % ;v %'  ⇒ + + = ⇔ + + + + + = ⇔ + + = − + + ⇔ + + = ⇒ + + = + + ⇒ + + − + + = ⇔ − + − + − =  − = =    ⇔ − = ⇔ = ⇔ = =     = − =   (-8;'kx%kkvk$ (€%kkvk$aQ/JK) qj/JK) D?€%kkvk$ Bài 4: 'Eo1 ∆&XZ-8∆NXZ ( D&X8*@+u =*@KV;W'^ · ·  &ZX NZX S = =  Z8* uM = a&^ · · · · &XZ ZXN X&Z XNZ= => = hK∆&XZ I*lX Zs+1  D(#1 &ZXG. · · X&Z ZN⇒ = ; ]"]- · ZX 'C · · ZN ZN⇒ = ; ]"R · X&Z ' hK1 ZN I*lZ "'Eo1 ∆ZX-8∆ZN• D ZkZN;e ∆ZN I'CZXkZ•;e'  · · XZ ZN•= ;-) · · ZX ZN= C · · ZX Z•N= ' kx ZX ZN• ;  ' ∆ = ∆ ⇒XkN• Eo1 -f&X• D & X• ⊥ ⇒ &X  kXX•kX;XNiN•' kx&X  kX;&XiX'kX;Xi3' kx3  kX;Xi3'kxXk ; r '3 − Bài 5:(T     %  v %  v + + = + + ⇒   = ++ −++ zyxzyx ⇒ ( )  = ++ −++ + + zyxz zzyx xy yx ( ) ( )   v   % v %  v ⇒ + + = + +    ÷  ÷   ( ) ( ) ( )  v% v v % %   %   v ;v %'  %v;%  v' + + + ⇒ + = ⇒ + + + = + +    ÷  ÷   ( D% t − t k;%i';%−';%  i  ';%  i  'k S iv S k;iv'; t − „ vi L v  −iv t ' v  !%  k;vi%';v  −v $ %iv  %  −v% $ i%  ';v r −% r ' qjZk  $ i;%i';iv';vi%'&k  $ X^jHOÀNG CHƯƠNG >-(K/@(hh,X)N^ (8/8G"G    !t! X^jHOÀNG CHƯƠNG >-(K/@(hh,X)N^ (8/8G"G M D C B A x    !S! TRƯỜNG THCS SỐ 2 ĐỀ LUYỆN THI TUYỂN SINH VÀO LỚP 10 BÌNH NGUYÊN Môn: TOÁN - Thời gian làm bài: 120 phút ĐỀ THI THỬ 5 (Không kể thời gian giao đề) Bài 1: ' >7/JK)%  −% $ iS%  −%ik ' %ik;%xCx'()1K2€ =&k x i y Bài 3: ' () 1 ,^Y"Y  *# ;%i';%−'−„ <Iu 8T,*/0 ;%i"';%i ' ' 1 5%IYXYg/08 1 * ,*2K^&%Y& &X }&Y*Z?*GKD %&  Z& ZX k   E1 *2-2Ku*Z*ZXiZ*F1K2a€ Bài 4: */@KVIW*/@+u&X-8c-fD -Y€*["€+_K^ *c '()*ZK^&cY*NK^& [8K* =ZN "'#OZ&iN&+f*O '#KR*/@KVF.1 &ZN*B* ,*2 Hướng dẫn Bài 1: '5(K7@*4 '5c6.B7+1 1,8  Bài 2: '&k;i'  i  ik;  ii'  −  i;  i  i' k;  i$i';  ii'i;  ii';  −i' k;  ii';  ii'k;  ii'  qj& . , u/J+1 -5,^?/J ' c&x^&€ ⇔ &  € Eo&  k; x i y '  k%ii xy ki xy ;' ( D  yx +  xy≥ ;X€*A# f'⇒x xy ;' (T;'-8;'K&  ki xy }ik Z%&  k⇔%kk   Y& % k  ⇔%kk   Bài 3 'q5% D;%i';%−'−„k;%i"';%i ' N^-%k)−„k;i"';i ' DK/@0  „  "  + = −   + =  -8  " „    + =   + = −  (K/@0#€ "k−$Y k−Yk− ( D;%−';%−'−„k;%−$';%−' (K/@0# "k$Y kˆrYk ( D;%i';%−'−„k;%i$';%−r' '>5c8*K^ F&X &ck   &X ( Dc8* ,*2Z8 Z&  &X  = ;'?*D &c  Z&  =  Eo1 ∆&ZX-8∆&cZ D X^jHOÀNG CHƯƠNG >-(K/@(hh,X)N^ (8/8G"G K O N M I D C B A    !!  · Z&X ; 'C Z& &c  &X Z&  = =  c*D∆&ZX∽∆&cZ⇒ ZX Z&  Zc &c = = ⇒ZckZ& Eo"*ZYcYZciZxc;+f*O'  c*DZXiZk;ZciZ'xc c€‰k‰%7K}kxZG *FAc >1K2a€ =ZXiZ8c n1 ?b*Z !cb*/@KVI&"1+u   &X !cbcK^&% &ck   &X  Z8* =c-8*/@KV;&C   &X' Bài 4: 'cb;[Y[&' H&cFZ H&FN c ·  Z&N S= ^ZN8*/@+u qj[8K* =ZN  "'6|Z6††& D∆[Nk∆[Z6; ' ⇒NkZ6kZc;-)∆Z6c-f I' qj&Zi&Nk&ZiNi&k&ZiZci& ⇒&Zk&Nk&ci&+f*O  '( D[&k[Xk[Zk[N  qj*/@KVF.∆&ZN*B*&YX ,*2   X^jHOÀNG CHƯƠNG >-(K/@(hh,X)N^ (8/8G"G [...]... luyn thi tuyn sinh lp 10 Email: Hoang_Chuong24@Yahoo.com c c c+b < < a +b+c c+a a +b+c Cng tng v (4); (5) v (6) Ta c: 1 < Biờn tp: HONG CHNG - 28 - (6) a b c + + BC thỡ BCA > BAC > BDC D AB Vy im D xỏc nh nh trờn l im cn tỡm Biờn tp: HONG CHNG Gv: Trng THCS S 2 Bỡnh Nguyờn O C Ti liu lu hnh ni b luyn thi tuyn sinh lp 10 Email: Hoang_Chuong24@Yahoo.com TRNG THCS S 2 BèNH NGUYấN THI TH 9 - 17 - LUYN THI TUYN SINH VO LP 10 Mụn: TON - Thi gian lm bi: 120 phỳt (Khụng k thi gian giao ) x 4( x 1) + x + 4( x... ta cú: x + y x + y x + y 2 Biờn tp: HONG CHNG Gv: Trng THCS S 2 Bỡnh Nguyờn Ti liu lu hnh ni b luyn thi tuyn sinh lp 10 Email: Hoang_Chuong24@Yahoo.com TRNG THCS S 2 BèNH NGUYấN THI TH 10 Bi 1: Cho biu thc A = - 19 - LUYN THI TUYN SINH VO LP 10 Mụn: TON - Thi gian lm bi: 120 phỳt (Khụng k thi gian giao ) ( x 2 3) 2 + 12 x 2 + x2 ( x + 2) 2 8 x 2 a Rỳt gn biu thc A b Tỡm nhng giỏ tr nguyờn ca... luyn thi tuyn sinh lp 10 Email: Hoang_Chuong24@Yahoo.com - 11 - TRNG THCS S 2 LUYN THI TUYN SINH VO LP 10 BèNH NGUYấN Mụn: TON - Thi gian lm bi: 120 phỳt THI TH 6 (Khụng k thi gian giao ) 2 Bi 1 Cho ba s x, y, z thoó món ng thi: x + 2y + 1 = y 2 + 2z + 1 = z 2 + 2x + 1 = 0 Tớnh giỏ tr ca biu thc: A = x 2007 + y2007... (3): 1 < Biờn tp: HONG CHNG (1) (2) (3) a b c + + 0; y > 0;... Biờn tp: HONG CHNG 3 = 3 2 Gv: Trng THCS S 2 Bỡnh Nguyờn B A Ti liu lu hnh ni b luyn thi tuyn sinh lp 10 1 1 V = r 2 h = 3 3 ( 3) Email: Hoang_Chuong24@Yahoo.com 2 1 = (cm3 ) TRNG THCS S 2 LUYN THI TUYN SINH LP 10 Mụn: TON - Thi gian lm bi: 120 phỳt BèNH NGUYấN THI TH 13 Bi 1: Cho biu thc A = - 26 - (Khụng k thi gian giao ) (x 3) + 12x + (x + 2)2 8x 2 2 x 2 2 2 a) Rỳt gn biu thc A b) Tỡm nhng... nghim phõn bit tha món: x1 + x2 = 11 Biờn tp: HONG CHNG Gv: Trng THCS S 2 Bỡnh Nguyờn Ti liu lu hnh ni b luyn thi tuyn sinh lp 10 Email: Hoang_Chuong24@Yahoo.com TRNG THCS S 2 BèNH NGUYấN THI TH 8 Cõu 1: Cho P = - 15 - LUYN THI TUYN SINH VO LP 10 Mụn: TON - Thi gian lm bi: 120 phỳt (Khụng k thi gian giao ) x+2 x +1 x +1 + x x 1 x + x +1 x 1 a/ Rỳt gn P b/ Chng minh: P < 1 vi x 0 v x 1 3 Cõu 2: Cho... + 3 = 0 thỡ P = 2 + 2 + 2 = 3 3 a b c c a b Biờn tp: HONG CHNG Gv: Trng THCS S 2 Bỡnh Nguyờn Ti liu lu hnh ni b luyn thi tuyn sinh lp 10 Email: Hoang_Chuong24@Yahoo.com TRNG THCS S 2 BèNH NGUYấN THI TH 15 - 33 - LUYN THI TUYN SINH LP 10 Mụn: TON - Thi gian lm bi: 120 phỳt (Khụng k thi gian giao ) Bi 1: (2 im) Tớnh giỏ tr ca biu thc: a) A = 1 + (1 2) 2 b) B = 3 9 + 80 + 3 9 80 Bi 2: (1 im) Gii phng .   !S! TRƯỜNG THCS SỐ 2 ĐỀ LUYỆN THI TUYỂN SINH VÀO LỚP 10 BÌNH NGUYÊN Môn: TOÁN - Thời gian làm bài: 120 phút ĐỀ THI THỬ 10 (Không kể thời gian giao đề) Bài 1:"# &.   !$! TRƯỜNG THCS SỐ 2 ĐỀ LUYỆN THI TUYỂN SINH VÀO LỚP 10 BÌNH NGUYÊN Môn: TOÁN - Thời gian làm bài: 120 phút ĐỀ THI THỬ 2 (Không kể thời gian giao đề) Câu 1'E1 *2% ∈ 3*"#.   !! TRƯỜNG THCS SỐ 2 ĐỀ LUYỆN THI TUYỂN SINH VÀO LỚP 10 BÌNH NGUYÊN Môn: TOÁN - Thời gian làm bài: 120 phút ĐỀ THI THỬ 3 (Không kể thời gian giao đề) Bài 1: "# <k (