Đề cương ôn tập toán 7

4 98 0
Đề cương  ôn tập toán 7

Đang tải... (xem toàn văn)

Thông tin tài liệu

ÔN CUỐI NĂM TOÁN 7 Phần I . Đại số A/ Lí thuyết:   !"#$#%&'() *+,-)).,-) /0#12#34'4'2'#3,-)5,,67897, :-);<4,6=:>??,,&'().,-) @ 4-#1, 5' A-#3,B).,-)' 4-,2 4. Biểu đồ: C2)D;E'(;%FBDG(;%F$H> 5.IJ-4;$3 5; K $3L)M'(#D)B)N;'(7#4B4,,)M'BD OP-) P-)'(,2 4'0B;E 4Q'(P B  R%SD4 Đơn thức đồng dạngTSF)D'(S247,U(2M? ;9 )*A @  * VWA @  *   X − A @  * '(HSF)D YC,47,UB'(HSF)D *C3Z,SF)D[%36Z:,SF)D36Z:,40(H ? ;9 )\A * ]A * ^6*]:A * ^@A * _;\@A * V`A * ^6@V`:A * ^VXA *  @[S[S'(#3a-HS VP1SBa&'(#3Db-S2 XR>-SR>-S'(;>-Db2;>BB)D&-S2 V5U'(SU(2782;> V$#;>-#3S09?E&S2 WC3ZS[%3Z*S cộng trừ các đơn thức đồng dạng. O[S#3;9[S#3;9'(a-HS-M#3;9 VR>-S#3;967,S78Sc&:'(4#d'0-;9 BSB `T,3ZS#3;9 C,ReBNF3Z,DbF)D C,*5f?A9?,DbgB'E#6BN.:E;9FN?h?QgB3)&i3Z ,46N,SF)DjM#33: kNghiệm của đa thức một biến =9DA^Sl6A:2,;<U$26BNA^:'(#3#-S2 Q)m:A^V  * '(#-Sl6A:^*A]$l6V  * :^U ;:A^V(A^'(#-Sn6A:^A * V$n6V:^U(n6:^U :[S+6A:^A * ]782#$DA^;7$'82+6:^ * ]oU B/ Bài tập: R([%#7%##8B,&7$-XU&4'0?`p'DB;E4 3 6 8 4 8 10 6 7 6 9 6 8 9 6 10 9 9 8 4 8 8 7 9 7 8 6 6 7 5 10 8 8 7 6 9 7 10 5 8 9 j"'($q5,,7,-)q ;r>?;E 4 Q4;$3 R(*5'&4eBZ'0?-#3L'DB;E4"  kUs@k*Usks sU`kUU`k`k` :5,,-)'( *:5,,7,-)'( @: 4S0,k'( X:P-)'( R(@P3 ,BgB)tL'(##3;(>?6LQgB?u:-@U&4('D4 U W k k s ` k s U k W ` U s k k s ` X ` s k s U U U ` W W X \j"'($q;\r>?;Ev 4w(>Ah R(X[%#7%#&7x#8B,-'0?`p  74 U s ` k s  X s @ W * X O ` U W s ` k X O W X s k ` W O ` s : $#j"'($q;:r>?;E 4(>Ah :Q4;$3($##-) R(WCBSl6A:^*A @ y*A]A * yA @ ]@A]*(n6A:^XA @ VWA * ]@AyXAy@A @ ]XA * ] \zu&(4f?A9?,SgB'dZE#) -;9 ;\Ql6A:]n6A:_l6A:Vn6A:\Ql6V:_n6*: R(O6*%#:CB*Sl6A:^XA * V@A]VA @ ]WAV@A * ]*A X (n6A:^V*A X ]@A * VWA]A @ ]OA]O \T.&*Sl6A:(n6A:;l6A:]n6A:_l6A:Vn6A: R(` QQ-S4VUWA * {(V@A @ {$#4(;>-Q$# ;CBp^A * V*AV * ]@VR^V*A * ]@ * VWA]]@C^@A * y*A]` * y@AyWVO Q\p]R;\p]C\R]C)\pVRg\pyC|\p]RyC_\pyR]C R(k: CBSl6A:^WA @ ]*A X VA * ]@A * VA @ VA X ]VXA @ &(4f?A9?,Db-SgBSiE#) -,;9q ;Ql6:(l6V:qCSe<S782#q R(sCBl6A:^ WWX*W @@@`X xxxxxx −−+−+− \&(4f?A9?Sl6A:gB'dZE#;\CBn6A:^ OW * −+ xx Ql6A:]n6A: R(U$##-S=6A:^UAyWP6A:^@V*A R(CBS X * 6 : * @ WP x x x x= − + − ( X @ * 6 : XQ x x x x= − + + :$#=6A:;9=6A:]l6A:^n6A:;:Ql6:_n6*:_=6V@: R(*CB,Sp6A:^A @ y*A X ]A * yW]WAR6A:^VA X ]XA * y@A @ yOA]`_C6A:^A]A @ y* \Qp6A:]R6A:_p6A:yR6A:]C6A: ;\CSeA^'(#-Sp6A:(C6A:78?E'(#-SR6A: R(@CBSn6A:^A * ]*CSeSn6A:782# Phần II. Hình học: A/ Lí thuyết: \[=#,"#,"'(#,2D;< ∆ pRC"DppR^pC_ µ µ R^C  YQ VB#3#,"2j,;< * V=9#3#,22j,;<$#,2'(#," V#,8"'(#,82D28;< Y#, #,'(#,2;D;< VB#3#,#12;<OU B  V=9#3#,2;2;<$#,2'(#, V=9#3#,"2#32;<OU B $#,2'(#, *\Định lí Pytago B#3#,8;$?-D;<a, ;$?-D28 ∆ pRC8Dp ⇒ RC * ^pR * ]pC *  Y['QlBEB =9#3#,2;$?-#3D;<a,;$?-D7$#,2'(# ,8 ∆ pRCRC * ^pR * ]pC * ⇒  · RpC ^sU B *\P!H,9B#, \nHD(2) YB#3#,D)02'0'(D'0 µ µ µ }pRCCopoR pRoRCopC⇔  YB#3#,2)0D'0'(2'0 µ µ µ }pRCpRoRCopC CopoR⇔  ;\nHL82(LALA($9 ['QB,A(7~Z#3%#jB(#392'(Lf V[3)(L82pT&'(7BE,Z%#p9LG) C,LA($9 BA7~Z#3%#<#B(#392 ][A(B2'0$'0][A(B'0$2'0 ]=9A;<$;<('D9;<$A;< @RGS#, YB#3a3)(D;7$;BLd'03)(D •'D }pRC pR]pCoRC_pR]RCopC_pC]RCopR YT!EBB#33)(D;7$;BLde3)(D•'D VB#33)(#3D;BLd'0(ea,3)(-D•'D }pRC pRVpC€RC€pR]pC X\Ba đường đồng qui: \B#3#, ]&"#r(B%#-;L9 ][%#6<#B#,:,;Dr(B%#-;L?", ][%#,;•r(B%#-;Li ]i"#r(B%#-;LB ;\#,pRC"Dp ⇔ TB;L4MLi-DRCL 9LB(L?",MA?,Z•p \=9#,pRC$&"#i"#%#,@•(%#6<#B#,:,; D'(;%#M B/ Bài tập: Bài 1 $#-#3#,;9D-2'(#(`#3)(D•'D'(#34 Bài 2CB#,pRC"DpLBpR9pR^U#_RC^*# Q3)(,BDGRp ;+&+'(&"#-#,pRCCS#<;%#p+G( CS# ABG ACG∆ = ∆  R(@CB · xOy &D‚A'%#pD‚'%#R4BB‚p^‚Rƒp„820 ‚„ ∈ ‚_ƒR…820‚A… ∈ ‚A CS#p„^R…‚„^‚…;+&B%#-p„(R…'(CS#p^R„^… CS#pR\\„… R(XCB∆pRC"Dpr%#P-RC()%#=-CR4BBRP^C= @ 50 b a Q P N M D C O b a 132 44 \CS# · · pRP^Cp= ;\CS#∆pP="\5B4,3)(,BDGpP_pC )\-Pp'%#4BBP^pPC\#<9PR^RC^C=$pR!%# BDG= R(WCB#,8pRC6 µ p ^sU B :?",-2RfpCj„Z„7~„T82RC6T3 RC:S#< \∆pR„;<∆TR„;\R„'(Li-BDGpT\„Cop„ R(OCB#,pRC;9 µ µ µ p^@R OC= \$#4B,2pRC;\ƒLBpCS#<p€RC€C R(`CB#,pRC8Dp+&T'($9-RL?",C-2Ci%#„ 4BBT'(%#-BD„CS#<\ · · C„R  ADC= ( · ·  EBH ACD= ;\R„ ⊥ RC Bài 8 CB#,pRC8jC2 µ U OUA = ?",-2RpCfRCj„~„820pR6 K AB∈ :~R820p„6 D AE∈ :CS#\p^R;\p^RC R(sCB#,pRC"Dp6†€sU U :ƒRT ^ pC6T Î pC:_C ^ pR6 Î pR: CS#<pT^p;:+&'(B%#-RT(CCS#<p'(?",2p R(UCB#,pRC8jC2 µ p ^OU U ?",-2 · RpC fRCj„~„820 pR6 ∈ pR:~R820p„6 ∈ p„:CS#< : }pC„^ p„ ∆ ;:p„'(i-C:p^R):„R 〉 pC T$T$*T$@T$X R(T$\$4B\\;;\Q4B2=ln R(*T$*\\; µ µ U U C^XX _ @*= Q4B2C‚ R(@CB#,„…"D0L9 \C\# }„^}… ;\CB;94B-2„(…\R9„^…^@#„…^U#Q R(XCBA‚7,2;‡‚A'%#pˆR‚'%#Cˆ4BB‚p^‚C ‚R^‚+&'(B%#-BDpˆRCCS# \RC^p_;\p^C_R^_\‚'(?",-2A‚ R(WCB$@\Q2‚r;\~‚cQ2‚ \[%#‚2,@D- }r 78q$4Bq R(OT$X\CS# }pR^}pC ;\5B4, · · RC( CR YYY Chúc các em học tập tốt! X 62 O L K I D A C B . tập: R([%# 7 %##8B,& 7$ -XU&4'0?`p'DB;E4 3 6 8 4 8 10 6 7 6 9 6 8 9 6 10 9 9 8 4 8 8 7 9 7 8 6 6 7 5 10 8 8 7 6 9 7 10 5 8 9 j"'($q5,, 7 ,-)q ;r>?;E. biến =9DA^Sl6A:2,;<U$26BNA^:'(#3#-S2 Q)m:A^V  * '(#-Sl6A:^*A]$l6V  * :^U ;:A^V(A^'(#-Sn6A:^A * V$n6V:^U(n6:^U :[S+6A:^A * ] 7 82#$DA^; 7$ '82+6:^ * ]oU B/ Bài tập: R([%# 7 %##8B,& 7$ -XU&4'0?`p'DB;E4 3. ÔN CUỐI NĂM TOÁN 7 Phần I . Đại số A/ Lí thuyết:  

Ngày đăng: 09/06/2015, 14:00

Tài liệu cùng người dùng

Tài liệu liên quan