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Đề thi môn vật lý lớp 8 - kiểm tra học kì, thi học sinh giỏi tham khảo bồi dưỡng (9)
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ĐỀ 1 : Môn : Vt l – Lp 8
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Câu 1 (2.5đ):
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Câu 2 (2.5đ):
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Câu 3 (2.5đ):
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ĐỀ 2: MÔN: VẬT LÝ 8
Thời gian: 90 phút (không kể thời gian giao đề)
Bài 1 (2,5 điểm):
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ĐỀ 3: MÔN: VẬT LÝ 8
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ĐỀ 4: MÔN: VẬT LÝ 8
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ĐỀ 5: MÔN : VẬT LÝ 8
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Bài 1 (2,0đ):
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ĐỀ 6: MÔN: VẬT LÝ 8
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Câu 1. 13 điểm9:;-,+W*.,353;A/-2*u,*V/*5~M7ƒ.7,4EW;D;*/*.Bz2EIV7,/-TU;;*,8B
/*.BYO/5P;;k.>?7,5~7p/RV 2EX*WIO/5P;;k.>?7,5~7p/RV<M2EX*Y
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Câu 20( 2 điểm )
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ĐỀ 7: MÔN : VẬT LÍ 8
Thời gian : 90 phút ( Không kể thời gian giao đề)
Bài 1: (2 điểm)
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ĐỀ 8: MÔN: VẬT LÝ 8
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Câu 1:( 3 điểm )
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ĐỀ 9: MÔN: VẬT LÝ 8
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Câu 1: (2,0 điểm)
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Câu 2: (3,0 điểm)
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aB.\E[5=*e/>@IV6/*.BIV5@6IN,/*.BEF5-_;
YF57,4E"/iE
5G6/-2*6e/-*.,-Tl/-Y
.9b\/HB;D;*Is7T+/-7,;k.5,.hD/-=*D5G.5~"=*e/>@RS/RTU5aB.
W
M
Gt,aB.\5GuR@,"Y
K9L/*-_;5@6Ku,5,.5N,>BC5=*D55~"IV5,.=*e/>@7,aB."Y
Câu 3: (3,0 điểm)
:;-,+W*.,353;A/-2*u,*V/*5~M7ƒ.7,4EW;D;*/*.Bz2EIV7,/-TU;;*,8B/*.BY
O/5P;;k.>?7,5~7p/RV 2EX*WIO/5P;;k.>?7,5~7p/RV<M2EX*Y
.9L/*2*6e/-;D;*-,o.M>?IV6R:;z-,+Y
K9‚p/EC\-,+5*rM>?-[=/*.BWIƒ5GL*.,>?R:;-[=/*.B;D;*K.6/*,HB2E]
Câu 4: (2,0 điểm)
F5Kr/*5*3/-/*.B;_;*•./TN;Y.,/*D/*;k.Kr/*;_;A/-2L;*5*TN;Y‚QIV6EF5/*D/*;k.
Kr/*RTU/-cSB;_;*,8B;.6RVz;EY,p55Gx/-RTU/-G,H/-;k.cSBRVzXE
<
WIV5Gx/-RTU/-G,H/-
;k./TN;RVXE
<
Yb\5L/*7F;*H/*Rm;*Eg;;*C5RZ/-5G6/-*.,/*D/*;k.Kr/*]
HẾT
ĐỀ 10: MÔN: VẬT LÝ 8
*+,-,./0=*:5(Không kể thời gian giao đề)
Câu1.1MW7,4E9
.,-Tl/-=*‰/-
IV
M
7TU;KP5GL*U=IN,
/*.BEF5-_;
α
/*T*r/*IsY.,7,4EhD/-
IV7TU;7[5IV6-,o.*.,-Tl/-Y
.XGr/*KV\;D;*Is5,.hD/-hBC5=*D5
5~=*e/>@RS/RTU5RH/-Tl/-
M
7p/-Tl/-
Gt,7p/Y
KXpBe/*;k.aB.
;D;*RV
M;EIVe/*;k.aB.
M
;D;*RV;EY
M
^*6e/-;D;*-,o.*.,e/*7_RVM;EYL/*-_;
α
Y
Câu2. 1<W7,4E9
F5;D,/t,Ki/-/*3E;*•./TN;uM
W;e/TN;IV/t,;_2*P,RTU/-<2-Y‚Q5*HEIV6/t,RL5
/TN;h3,5*r/*,m57F;k./TN;5G6/-/t,RV
Yb\;*6K,p50=*e,7Q5*HEK.6/*,HBRL5/TN;h3,/TN;h3,
/o.74/*,m57F;k./TN;5G6/-/t,RV
YZaB.hgEC5ED5/*,m5G.E3,5GT+/-/-6V,5G6/-aBD5Gr/*
5G.67Q,/*,m5W2*_,RTU/-G,H/-;k./TN;RV2-XE
<
Y
Bài 3. 1MW5 điểm9 :;-,+W*.,353;A/-2*u,*V/*5~M7ƒ.7,4EW;D;*/*.Bz2EIV7,/-TU;
;*,8B/*.BYO/5P;;k.>?7,5~7p/RV 2EX*WIO/5P;;k.>?7,5~7p/RV<M2EX*Y
;9 L/*2*6e/-;D;*-,o.M>?IV6R:;z-,+Y
c9 ‚p/EC\-,+5*rM>?-[=/*.BWIƒ5GL*.,>?R:;-[=/*.B;D;*K.6/*,HB2E]
.
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Câu 4: 12,0 điểm9F5Kr/*5*3/-/*.B;_;*•./TN;Y.,/*D/*;k.Kr/*;_;A/-2L;*5*TN;Y‚QIV6
EF5/*D/*;k.Kr/*RTU/-cSB;_;*,8B;.6RVz;EY,p55Gx/-RTU/-G,H/-;k.cSBRVzXE
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WIV5Gx/-
RTU/-G,H/-;k./TN;RVXE
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Yb\5L/*7F;*H/*Rm;*Eg;;*C5RZ/-5G6/-*.,/*D/*;k.Kr/*]
ĐỀ 11: MÔN: VẬT LÝ 8
*+,-,./0=*:5(Không kể thời gian giao đề)
Câu1. (2 điểm).
F5/-T+,7,>?7@=7,/€.aBb/-7T+/-7SBIN,IO/5P;
I
y2EX*W7,/€.aBb/-7T+/-;J/R@,IN,IO/5P;I
M
2*3/-7Q,Y,p5;D;76@/7T+/-EV/-T+,C\7,RV
5*‰/-IVIO/5P;5GB/-Kr/*5GH/;eaBb/-7T+/-RV2EX*Yb\5L/*IO/5P;I
M
Y
Câu2. (3 điểm).
F5;*OB/*3E2*P,RTU/-W2-7g/-M2-/TN;uM
.9*eIV6;*OB/*3EEF55*Z,7t/-;_2*P,RTU/-M-RC\uRJG.YTN;/_/-7p/MWM
YrE
/*,m57F;k.Kp=RJ],p5/*,m5cB/-G,H/-;k./*3EW/TN;IV7t/-RS/RTU5RV0;
yzz{X2-Y^W;
M
y
M{X2-Y^W;
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y<z{X2-Y^YZaB.hg56e/*,m5G.E3,5GT+/-
K9*g;G.5G6/-5GT+/-*U=/V\W/*,m5RTU/-56eG.E3,5GT+/-RVj/*,m5RTU/-;B/-;C=;*6
;*OB/TN;YrE/*,m57F5*g;hg;k.Kp=RJY
Câu3.(2,5 điểm).
.,*r/*5G|IV7[55*‰/-7•/-;_5,p5c,m/RS/RTU5RV;E
M
IV
M;E
M
7TU;/P,5*3/-7D\Ki/-EF5P/-/*ZaB.2*6D2/*T*r/*IsY:;
7SB2*6D274/-}/;D;**.,Kr/*Wh.B7_7Q<RL5cSBIV6Kr/*W7QW RL5
/TN;IV6Kr/*Y".B7_Eu2*6D2745@65*V/*EF5Kr/*5*3/-/*.BYL/*
7F;.6Eg;;*C5RZ/-uE`,Kr/*Y*6K,p55Gx/-RTU/-G,H/-;k.cSBIV;k.
/TN;RS/RTU5RV0c
yzXE
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Bài 4. (2,5 điểm).
.,-Tl/-=*‰/-19IV197[5h6/-h6/-aB.\E[5=*e/>@IV6/*.BIV;D;*/*.BEF52*6e/-
y;EYGH/76@/5*‰/-;_7[5EF57,4EhD/-";D;*-Tl/-19EF576@/"y<;EY†n5EF5
7,4E)/iE5GH/7T+/-5*‰/-7,aB."IVIB3/--_;IN,;_2*6e/-;D;*)"y<;EY
.9s7T+/-7,;k.EF55,.hD/->BC5=*D55~"=*e/>@RS/RTU55GH/-Tl/-195@,W5GH/-Tl/-195@,^
Gt,5GB\8/aB.)Y
;9L/*;D;2*6e/-;D;*5~^W5N,Y
HẾT
ĐỀ 12: MÔN: VẬT LÝ 8
*+,-,./0=*:5(không kể thời gian giao đề)
Câu 1 (3 đ’)0*6*.,Kr/**r/*5G|IV5*3/-7D\IN,/*.B Ki/-EF5
P/-/*Z;_I./W5*45L;*2*3/-7D/-24
1>?E*r/*9Y
‚_/-I./Y‚QIV6Kr/*EF5RTU/-/TN;7p/;*,8B;.6
*
yz;EWh.B7_7QRH/5GH/E[5/TN;EF5RN=;*C5RZ/-;.6
2
T
T
A B
Hình 1
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*
M
y ;E;_5Gx/-RTU/-G,H/-c
M
yXE
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IV7QIV6Kr/*;*C5RZ/-5*•K.;_;*,8B;.6*
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y;EIV;_
5Gx/-RTU/-G,H/-RVc
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yzXE
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W;D;;*C5RZ/-2*3/-*J.Rˆ/IV6/*.BY
.9L/*D=hBC55D;c|/-RH/7D\;k.E`,Kr/*Y,p55Gx/-RTU/-G,H/-;k./TN;RV
c
yXE
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Y
K9uI./74*.,Kr/*5*3/-/*.BYL/*7F;*H/*Rm;*;*,8B;.6;k.E[55*6D/-;*C5RZ/-u*.,Kr/*Y
Câu 2 (3 đ’)0F5353;_5Gx/-RTU/-(yMW2*,;*@\5GH/76@/7T+/-/iE/ /-;_;*,8BcV,hy
2EIN,IO/5P;2*3/-7Q,Iy 2EX*5*r7F/-;l3537bh,/*;3/-RVz2{YZ,2*,3537_;*B\4/7F/-
5GH/EF576@/7T+/-cP;RH/=*L.5GH/5*r/_;*@\IN,IO/5P;Ki/-K.6/*,HB],p5Gi/-;•7,*p5;*,8BcV,
RyME5*r;*,8B;.6;k.cP;5}/-5*HEEF576@/*yEY,e5*,p5;3/-hBC5;k.353WRg;;e/;k.-,_IV
E.hD55D;c|/-RH/3535G6/-R:;;*B\4/7F/-RV2*3/-7Q,Y
Câu 3 (2,5 đ’)0L/*/*,m5RTU/-Œ;S/5*,p574;*6M2-/TN;7DuŠ
K,p/5*V/**l,Y*6K,p5/TN;7D
;_/*,m5cB/-G,H/-;
yz{X2-Y^•/TN;RZ/-;_/*,m5cB/-G,H/-;
M
y M{X2-Y^•/*,m5/_/-;*e\;k.
/TN;7DRV λy< Y
{X2-•/*,m5*_.*l,;k./TN;u
RV yM<Y
{X2-Y
Câu 4 (1,5 đ’)0*,pBEF55,.hD/-"IV6-Tl/-=*‰/-1>?E*r/*M9YpBaB.\5,./V\5GH/E[5=*‰/-5N,
>B/-aB./*7,4E"EF5-_;αh.6;*67,4EIˆ//iE 5GH/ E[5
=*e/>@;k.-Tl/-5*r5,.=*e/>@aB.\EF5-_;K.6 /*,HB]
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ĐỀ 13: MÔN: VẬT LÝ 8
*+,-,./0=*:5(Không kể thời gian giao đề)
Câu 1013 điểm9^*,;xhD5EF55*./*7t/-W*6[;EF55*./*hf5IV6EF5E,p/-R?/Gt,7T.R@,-S/;D;E•B
-,C\I|/5*r5.5*C\;D;E•B-,C\I|/2*3/-Kƒ*:5Y*TIO\;_5*42p5RBO/Gi/-2,ER6@,2*3/-Kƒ/*,dE
7,m/c6;xhD52*3/-]rh.6]
Câu 2. 13 điểm9‚[5EF5K.6-@62*P,RTU/-2-RH/EF5;D,-*pKP/;*v/;_2*P,RTU/- 2-Y%,m/5L;*
5,p=>:;IN,E[57C5;k.E`,;*v/-*pRVz;E
M
YL/*D=hBC5;D;;*v/-*p5D;c|/-RH/E[57C5Y
Câu 3.15 điểm9.,-Tl/-=*‰/-
W
M
aB.\E[5=*e/>@IV6/*.BIV5@6IN,/*.BEF5-_;
YF5
7,4E"/iE5G6/-2*6e/-*.,-Tl/-Y
.9b\/HB;D;*Is7T+/-7,;k.5,.hD/-=*D5G.5~"=*e/>@RS/RTU5aB.
W
M
Gt,aB.\5GuR@,
"Y
K9L/*-_;5@6Ku,5,.5N,>BC5=*D55~"IV5,.=*e/>@7,aB."Y
Bài 4. 15 điểm9 :;-,+W*.,353;A/-2*u,*V/*5~M7ƒ.7,4EW;D;*/*.Bz2EIV7,/-TU;;*,8B
/*.BYO/5P;;k.>?7,5~7p/RV 2EX*WIO/5P;;k.>?7,5~7p/RV<M2EX*Y
?9 L/*2*6e/-;D;*-,o.M>?IV6R:;z-,+Y
•9 ‚p/EC\-,+5*rM>?-[=/*.BWIƒ5GL*.,>?R:;-[=/*.B;D;*K.6/*,HB2E]
"
Hình 2
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Câu 5: 14 điểm9F5Kr/*5*3/-/*.B;_;*•./TN;Y.,/*D/*;k.Kr/*;_;A/-2L;*5*TN;Y‚QIV6EF5
/*D/*;k.Kr/*RTU/-cSB;_;*,8B;.6RVz;EY,p55Gx/-RTU/-G,H/-;k.cSBRVzXE
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WIV5Gx/-
RTU/-G,H/-;k./TN;RVXE
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Yb\5L/*7F;*H/*Rm;*Eg;;*C5RZ/-5G6/-*.,/*D/*;k.Kr/*]
HẾT
ĐỀ 14: MÔN: VẬT LÝ 8
*+,-,./0=*:5(Không kể thời gian giao đề)
Bài 1: (2 điểm)
F5/-T+,7,>?7@=5~7p/Y
<
5*+,-,./7SB7,IN,IO/5P;I
yM2EX*W
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M
5*+,-,./;J/R@,IN,
IO/5P;I
M
/V67_Y,p5Gi/-IO/5P;5GB/-Kr/*5GH/;eaBb/-7T+/-RV2EX*Yb\5L/*IO/5P;I
M
Y
Bài 2: (2,75 điểm)
-T+,5.2n6EF5IO5W;_2*P,RTU/-E
y-W;*B\4/7F/-78BRH/E[5=*‰/-/-*,H/-1/*T*r/*Is9Y
,p5%y E•%yEY
.Y pBKZaB.E.hD55*rIO5=*e,
;_2*P,RTU/-E
RVK.6/*,HB]
KY *g;5p;_E.hD5/H/742n6IO5
7,RH/78B/-T+,5.=*e,5G?6IO5;_2*P,
RTU/-E‘
y<2-YL/**,mBhBC5;k.E[5=*‰/-
/-*,H/-Y,p5cv\/P,;_2*P,RTU/-2*3/-7D/-24Y
Bài 3: (2,5 điểm)
F52*P,-`/pB5*e5G6/-/TN;5*r/_/Q,
<
5*45L;*W/pB5*e5G6/-cSB5*r/_/Q,
5*45L;*Yb\
>D;7ƒ/*2*P,RTU/-G,H/-;k.cSBWK,p52*P,RTU/-G,H/-;k./TN;RV-X;E
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Y
Bài 4: (2,75 điểm)
F55*A/-;*•.RTU/-/TN;Eu/*,m57FM
Y-T+,5.7QEF5RTU/-ME/TN;h3,1u
9IV6
5*A/-Y^*,7@5;v/Ki/-/*,m5W/*,m57F;k./TN;5G6/-5*A/-RV
YpB5GTN;2*,7QRTU/-ME/TN;h3,
/_,5GH/IV65*A/-/V\5.7Q7,5C5;eRTU/-/TN;E7./-;_5G6/-5*A/-5*r/*,m57F;k./TN;2*,;v/Ki/-
RVK.6/*,HB]ZaB.hg5G.67Q,/*,m5IN,E3,5GT+/-Y
ĐỀ 15: MÔN: VẬT LÝ 8
*+,-,./0=*:5(Không kể thời gian giao đề)
Câu 1 (2 ĐIỂM):
.,Kr/**r/*5G|5*3/-/*.B7[55*‰/-7•/-;*•./TN;7TU;7@\Ki/-;D;=,553/-;_2*P,RTU/-RS/
RTU5RVE
y2-WE
M
yM2-Y‹Iƒ5GL;v/Ki/-=,553/-5*•/*C5;.6*l/=,553/-5*•*.,EF576@/*y;EY^*,
7[5RH/=,553/-5*•/*C5EF5aBe;v/;_2*P,RTU/-EyM2-W;D;=,553/-;v/Ki/-u;A/-7F;.6YpB7[5
aBe;v/7_u=,553/-5*•*.,W;*:/-hs;v/Ki/-uIƒ5GL/V6]
Câu 2(2 ĐIỂM):
F5;./37./-7,/-TU;cJ/-5*r-[=EF5K’7./-5G3,>B3,Y".B2*,-[=K’<=*:55*r7F/-;l;.
/3Kƒ*Z/-Y".B=*:55*rh€.>6/-W;./3RO=5•;aB.\R@,7BQ,5*?6K’1IN,IO/5P;;k.;./37P,IN,
/TN;RV2*3/-7Q,9IV-[=R@,K’u7,4E-[=;D;*7,4E-[=5GTN;EF576@/RyMW2EYrEIO/5P;;k.cJ/-
/TN;]
%
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Câu 3 (2 ĐIỂM):‚47T.EF5IO52*P,RTU/-EyM2-RH/7F;.6*yE/-T+,5.cA/-EF55G6/-*.,;D;*
h.B0
D;*0%A/-*m5*P/--tEEF5GJ/-Gx;;P7ƒ/*WGJ/-Gx;7F/-Y,p5*,mBhBC5;k.*m5*P/-RVz<W<<jY
L/*Rg;2n6cv\74/v/-IO5RH/]
D;*M0%A/-E[5=*‰/-/-*,H/-cV,RyMEYg;2n6IO5R:;/V\‡yYL/*Rg;E.hD5-,o.IO5IV
E[5=*‰/-/-*,H/-W*,mBhBC5;k.;l*m/V\]
Câu 4 (3 ĐIỂM):F5/-T+,7•/-;D;*-Tl/-=*‰/-5G?67•/-5GH/5T+/-EF52*6e/-EYf5/-T+,;D;*
;*v/WEY-T+,C\/*r/IV67,4E5GH/-Tl/-W;D;*hV/WEYf5hs/*r/5*C\/iE5GH/7T+/-/P,
Ef5IVe/*;k.-_;5GH/;A/-;k.K•;5T+/-=*L.h.BY
.YrE;*,8B;.6;k.=*J/-],p5/-T+,;D;*K•;5T+/-=*L.h.B<EY
KYn=cTN,;k.-Tl/-;D;*hV/5P,7.K.6/*,HB74Ef5/*r/5*C\7TU;e/*;k.-_;cTN,;A/-;k.
5T+/-=*L.h.B]
;Y^*,cƒ;*/-T+,IV6-S/*.\>.-Tl/-5*rEf5/*r/5*C\e/*;k.5T+/-=*L.h.B/*T5*p/V6]
Câu 5 (1 ĐIỂM):F5Rx5*B•5,/*7g/-7S\5*B•/-v/W7TU;/:5;*[5Ki/-/:55*B•5,/*YrE;D;*>D;2*P,
RTU/-5*B•/-v/5G6/-RxEV2*3/-7TU;Eu/:5WK,p52*P,RTU/-G,H/-;k.5*B•/-v/IVIV5*B•5,/*RS/
RTU5RV%
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Y*6;D;c|/-;|0;v/IVKFaBe;v/W;P;;*,.7FY
HẾT
ĐỀ 16: MÔN VẬT LÝ LỚP 8
Thời gian : 90’(Không kể thời gian giao đề)
Câu 1.(2,5đ)F5*x;h,/*7,>?7@=5~/*V7p/5GT+/-WIN,IO/5P;M2EX*Yh.B2*,2*u,*V/*7TU;/€.-,+
W5*r*Z/->?W=*e,c~/-R@,Wh€.>?EC5=*:5Y".B7_=*e,5}/-5P;7F5*HE 2EX*EN,7p/5GT+/-2ƒ=
-,+Yb\5L/*7FcV,aBb/-7T+/-5~/*V7p/5GT+/-WIV5*+,-,./7,aBb/-7T+/-C\Y
Câu 2.(2,5đ) F52*P,-`*r/**F=;*o/*O55,p5c,m/"y ;E
M
;.6*y;EY_2*P,RTU/-Ey-
.Y*e2*P,-`IV6/TN;YrE;*,8B;.6;k.=*S/-`/Q,5GH/E[5/TN;Y*62*P,RTU/-G,H/-;k./TN;RV
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2*,5*eIV65G6/-/TN;/-T+,5.5*C\Eg;/TN;Ki/-IN,E[55GH/;k.
2*P,-`YrE7FhvB∆*;k.R`
Câu 3.(2,5đ)
F5;*,p;>V7t/-;*C55,p5c,m/78BY^*P,RTU/-M2-W;*,8BcV,<EYr*.,7SBRH/*.,K•;5T+/-YF5
/-T+,;_2*P,RTU/-2-7•/-;D;*7SB>VMEY†D;7ƒ/*>?EE`,K•;5T+/-;*ƒB5D;c|/-EF5Rg;Ki/-
K.6/*,HB]
Cõu 4.(2,5d)
G6/-EF5Kr/*7t/-2*P,RTU/-E
y -;_;*•.E
M
y-/TN;;A/-u/*,m57F5
y
Y*eIV6
7_EF5E•B/TN;7Du5
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Y^*,;_;v/Ki/-/*,m55.5*C\;J/h_5R@,E
W
y-/TN;7D;*T.5./Y†D;
7ƒ/*2*P,RTU/-K./7SBE
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;k./TN;7DY*6%w;k.7t/-RV
y {X2-Y^W/*,m5cB/-G,H/-;k./TN;
RV
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y M{X2-Y^W/*,m5cB/-G,H/-;k./TN;7DRV
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yM{X2-Y^W/*,m5/_/-;*e\;*e\/TN;7DRV
λ
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Hết
