TN 15ph "Rút gọn biểu thức " ( 8 đề & đáp án )

      !" #$ %&'()&  *  + ,-./0'12234122+ /56&./07 &.'89:'  Nội dung đề: 001 01.   5;  <=  &&.>  50? @  1 Ay x x= − + − <  ' A.B B.1 C.A D.%  57%  C.  0 02.6  5D? @ 0? @  6 @ ?5.E  0 1 B ! 1 1" 1 B + − − 7?C. ;?  5F(  &<  ' A.B B. ! 1 1+ C. 1 ! 1 1"− D.%  5G  :7%  C.  0 03..( 6 @ ?5.E  0' 1 B3 H2 1 1x x x+ − + .(  &IG6 @  6 @ ?5.E  00(  F   5;  ,  &F2 A. Ax = B. 1x = − C. 1x = D. Ax = − 04.;(&F0  0:.J  :5K  &.LE=  G>MN:.J  :5K  &.&  (0(  C6  5D? @ ,  &F' ! O− A. 13 ! O P!+ − B. 1 13 ! P! H O− + C. A O 1 P! B! O+ − D. ! O H O P 13− + 05.%  &F?M6&LE=&F&.( @ &.>  5&7(0.(' B 2N2Bn n− − < A.B2222 B.1H2B C.1H22 D.1A++ 06.K  -I 6  5' A ! 1 1H B3x x x− + = A.IQA B.IQ4A C.IQ 1 D.IQ41 07.6  ? B B 1 t = − 5.K  5 1 ,  &F' A. ! 1 1"− + B. ! 1 1− C. 1 1 !− D. ! 1 1+ 08.R.>&5.E  0 1 1 P" ! 1 ! + + ,  &F' A.B B. 1 ! ! C. 1 1 ! D. A ! 09.S=  IT15.K  F   5;   6 @ ?5.E  0 ! 1 1 P A 1x x x x+ + + − + − + ,  &F' A. 1x− + B.! C.1 D.%  5G  :7%  C.  0 10.K  -0  0.U 6  57 5;(&F0  00  0.U 6  57?' A. 1  VQ V U=   V 2≥ B. 1  VQ4 V U=   V 2NW2≥ C. 1  VQ V U=   NV 2≥ D. 1  VQ  V U=   V 2≥ 1       !" #$ %&'()&  *  + ,-./0'12234122+ /56&./07 &.'89:'  Nội dung đề: 002 01.K  -0  0.U 6  57 5;(&F0  00  0.U 6  57?' A. 1  VQ  V U=   V 2≥ B. 1  VQ V U=   NV 2≥ C. 1  VQ4 V U=   V 2NW2≥ D. 1  VQ V U=   V 2≥ 02.R.>&5.E  0 1 1 P" ! 1 ! + + ,  &F' A. 1 ! ! B.B C. A ! D. 1 1 ! 03..( 6 @ ?5.E  0' 1 B3 H2 1 1x x x+ − + .(  &IG6 @  6 @ ?5.E  00(  F   5;  ,  &F2 A. Ax = B. 1x = − C. Ax = − D. 1x = 04.S=  IT15.K  F   5;   6 @ ?5.E  0 ! 1 1 P A 1x x x x+ + + − + − + ,  &F' A.1 B. 1x− + C.! D.%  5G  :7%  C.  0 05.6  5D? @ 0? @  6 @ ?5.E  0 1 B ! 1 1" 1 B + − − 7?C. ;?  5F(  &<  ' A.B B. ! 1 1+ C. 1 ! 1 1"− D.%  5G  :7%  C.  0 06.;(&F0  0:.J  :5K  &.LE=  G>MN:.J  :5K  &.&  (0(  C6  5D? @ ,  &F' ! O− A. 13 ! O P!+ − B. A O 1 P! B! O+ − C. 1 13 ! P! H O− + D. ! O H O P 13− + 07.6  ? B B 1 t = − 5.K  5 1 ,  &F' A. ! 1 1+ B. ! 1 1"− + C. 1 1 !− D. ! 1 1− 08.K  -I 6  5' A ! 1 1H B3x x x− + = A.IQ4A B.IQ41 C.IQ 1 D.IQA 09.%  &F?M6&LE=&F&.( @ &.>  5&7(0.(' B 2N2Bn n− − < A.1A++ B.1H2B C.B2222 D.1H22 10.   5;  <=  &&.>  50? @  1 Ay x x= − + − <  ' A.A B.1 C.B D.%  57%  C.  0 2       !" #$ %&'()&  *  + ,-./0'12234122+ /56&./07 &.'89:'  Nội dung đề: 003 01.6  ? B B 1 t = − 5.K  5 1 ,  &F' A. ! 1 1+ B. ! 1 1− C. ! 1 1"− + D. 1 1 !− 02.;(&F0  0:.J  :5K  &.LE=  G>MN:.J  :5K  &.&  (0(  C6  5D? @ ,  &F' ! O− A. 13 ! O P!+ − B. A O 1 P! B! O+ − C. ! O H O P 13− + D. 1 13 ! P! H O− + 03..( 6 @ ?5.E  0' 1 B3 H2 1 1x x x+ − + .(  &IG6 @  6 @ ?5.E  00(  F   5;  ,  &F2 A. Ax = − B. Ax = C. 1x = D. 1x = − 04.%  &F?M6&LE=&F&.( @ &.>  5&7(0.(' B 2N2Bn n− − < A.1H2B B.B2222 C.1A++ D.1H22 05.K  -I 6  5' A ! 1 1H B3x x x− + = A.IQ4A B.IQ 1 C.IQA D.IQ41 06.R.>&5.E  0 1 1 P" ! 1 ! + + ,  &F' A. A ! B. 1 1 ! C. 1 ! ! D.B 07.K  -0  0.U 6  57 5;(&F0  00  0.U 6  57?' A. 1  VQ  V U=   V 2≥ B. 1  VQ V U=   V 2≥ C. 1  VQ V U=   NV 2≥ D. 1  VQ4 V U=   V 2NW2≥ 08.   5;  <=  &&.>  50? @  1 Ay x x= − + − <  ' A.B B.A C.1 D.%  57%  C.  0 09.S=  IT15.K  F   5;   6 @ ?5.E  0 ! 1 1 P A 1x x x x+ + + − + − + ,  &F' A.1 B.! C. 1x− + D.%  5G  :7%  C.  0 10.6  5D? @ 0? @  6 @ ?5.E  0 1 B ! 1 1" 1 B + − − 7?C. ;?  5F(  &<  ' A. 1 ! 1 1"− B.B C. ! 1 1+ D.%  5G  :7%  C.  0 3       !" #$ %&'()&  *  + ,-./0'12234122+ /56&./07 &.'89:'  Nội dung đề: 004 01.;(&F0  0:.J  :5K  &.LE=  G>MN:.J  :5K  &.&  (0(  C6  5D? @ ,  &F' ! O− A. 1 13 ! P! H O− + B. 13 ! O P!+ − C. A O 1 P! B! O+ − D. ! O H O P 13− + 02.6  5D? @ 0? @  6 @ ?5.E  0 1 B ! 1 1" 1 B + − − 7?C. ;?  5F(  &<  ' A.B B. ! 1 1+ C. 1 ! 1 1"− D.%  5G  :7%  C.  0 03.K  -0  0.U 6  57 5;(&F0  00  0.U 6  57?' A. 1  VQ V U=   NV 2≥ B. 1  VQ  V U=   V 2≥ C. 1  VQ V U=   V 2≥ D. 1  VQ4 V U=   V 2NW2≥ 04..( 6 @ ?5.E  0' 1 B3 H2 1 1x x x+ − + .(  &IG6 @  6 @ ?5.E  00(  F   5;  ,  &F2 A. 1x = B. Ax = C. 1x = − D. Ax = − 05.R.>&5.E  0 1 1 P" ! 1 ! + + ,  &F' A. 1 ! ! B. 1 1 ! C.B D. A ! 06.%  &F?M6&LE=&F&.( @ &.>  5&7(0.(' B 2N2Bn n− − < A.1H2B B.1H22 C.B2222 D.1A++ 07.K  -I 6  5' A ! 1 1H B3x x x− + = A.IQ41 B.IQA C.IQ 1 D.IQ4A 08.   5;  <=  &&.>  50? @  1 Ay x x= − + − <  ' A.A B.1 C.B D.%  57%  C.  0 09.6  ? B B 1 t = − 5.K  5 1 ,  &F' A. 1 1 !− B. ! 1 1+ C. ! 1 1"− + D. ! 1 1− 10.S=  IT15.K  F   5;   6 @ ?5.E  0 ! 1 1 P A 1x x x x+ + + − + − + ,  &F' A. 1x− + B.! C.1 D.%  5G  :7%  C.  0 4       !" #$ %&'()&  *  + ,-./0'12234122+ /56&./07 &.'89:'  Nội dung đề: 005 01.K  -0  0.U 6  57 5;(&F0  00  0.U 6  57?' A. 1  VQ  V U=   V 2≥ B. 1  VQ V U=   V 2≥ C. 1  VQ V U=   NV 2≥ D. 1  VQ4 V U=   V 2NW2≥ 02.6  ? B B 1 t = − 5.K  5 1 ,  &F' A. ! 1 1+ B. 1 1 !− C. ! 1 1− D. ! 1 1"− + 03.   5;  <=  &&.>  50? @  1 Ay x x= − + − <  ' A.1 B.A C.B D.%  57%  C.  0 04.6  5D? @ 0? @  6 @ ?5.E  0 1 B ! 1 1" 1 B + − − 7?C. ;?  5F(  &<  ' A. ! 1 1+ B. 1 ! 1 1"− C.B D.%  5G  :7%  C.  0 05.%  &F?M6&LE=&F&.( @ &.>  5&7(0.(' B 2N2Bn n− − < A.1H2B B.B2222 C.1A++ D.1H22 06..( 6 @ ?5.E  0' 1 B3 H2 1 1x x x+ − + .(  &IG6 @  6 @ ?5.E  00(  F   5;  ,  &F2 A. 1x = B. Ax = − C. Ax = D. 1x = − 07.R.>&5.E  0 1 1 P" ! 1 ! + + ,  &F' A. 1 ! ! B. 1 1 ! C.B D. A ! 08.;(&F0  0:.J  :5K  &.LE=  G>MN:.J  :5K  &.&  (0(  C6  5D? @ ,  &F' ! O− A. A O 1 P! B! O+ − B. 1 13 ! P! H O− + C. 13 ! O P!+ − D. ! O H O P 13− + 09.K  -I 6  5' A ! 1 1H B3x x x− + = A.IQ 1 B.IQ4A C.IQA D.IQ41 10.S=  IT15.K  F   5;   6 @ ?5.E  0 ! 1 1 P A 1x x x x+ + + − + − + ,  &F' A.! B. 1x− + C.1 D.%  5G  :7%  C.  0 5       !" #$ %&'()&  *  + ,-./0'12234122+ /56&./07 &.'89:'  Nội dung đề: 006 01.K  -0  0.U 6  57 5;(&F0  00  0.U 6  57?' A. 1  VQ V U=   V 2≥ B. 1  VQ  V U=   V 2≥ C. 1  VQ4 V U=   V 2NW2≥ D. 1  VQ V U=   NV 2≥ 02.R.>&5.E  0 1 1 P" ! 1 ! + + ,  &F' A. 1 1 ! B. A ! C.B D. 1 ! ! 03.%  &F?M6&LE=&F&.( @ &.>  5&7(0.(' B 2N2Bn n− − < A.1H2B B.1A++ C.B2222 D.1H22 04.;(&F0  0:.J  :5K  &.LE=  G>MN:.J  :5K  &.&  (0(  C6  5D? @ ,  &F' ! O− A. ! O H O P 13− + B. 13 ! O P!+ − C. A O 1 P! B! O+ − D. 1 13 ! P! H O− + 05.6  5D? @ 0? @  6 @ ?5.E  0 1 B ! 1 1" 1 B + − − 7?C. ;?  5F(  &<  ' A.B B. 1 ! 1 1"− C. ! 1 1+ D.%  5G  :7%  C.  0 06.6  ? B B 1 t = − 5.K  5 1 ,  &F' A. ! 1 1+ B. ! 1 1− C. 1 1 !− D. ! 1 1"− + 07.S=  IT15.K  F   5;   6 @ ?5.E  0 ! 1 1 P A 1x x x x+ + + − + − + ,  &F' A.1 B. 1x− + C.! D.%  5G  :7%  C.  0 08..( 6 @ ?5.E  0' 1 B3 H2 1 1x x x+ − + .(  &IG6 @  6 @ ?5.E  00(  F   5;  ,  &F2 A. Ax = B. Ax = − C. 1x = − D. 1x = 09.K  -I 6  5' A ! 1 1H B3x x x− + = A.IQ4A B.IQA C.IQ 1 D.IQ41 10.   5;  <=  &&.>  50? @  1 Ay x x= − + − <  ' A.1 B.A C.B D.%  57%  C.  0 6       !" #$ %&'()&  *  + ,-./0'12234122+ /56&./07 &.'89:'  Nội dung đề: 007 01.;(&F0  0:.J  :5K  &.LE=  G>MN:.J  :5K  &.&  (0(  C6  5D? @ ,  &F' ! O− A. A O 1 P! B! O+ − B. ! O H O P 13− + C. 13 ! O P!+ − D. 1 13 ! P! H O− + 02.K  -0  0.U 6  57 5;(&F0  00  0.U 6  57?' A. 1  VQ  V U=   V 2≥ B. 1  VQ4 V U=   V 2NW2≥ C. 1  VQ V U=   V 2≥ D. 1  VQ V U=   NV 2≥ 03.K  -I 6  5' A ! 1 1H B3x x x− + = A.IQ41 B.IQ 1 C.IQA D.IQ4A 04.R.>&5.E  0 1 1 P" ! 1 ! + + ,  &F' A. 1 ! ! B. 1 1 ! C.B D. A ! 05.S=  IT15.K  F   5;   6 @ ?5.E  0 ! 1 1 P A 1x x x x+ + + − + − + ,  &F' A.! B. 1x− + C.1 D.%  5G  :7%  C.  0 06.   5;  <=  &&.>  50? @  1 Ay x x= − + − <  ' A.A B.B C.1 D.%  57%  C.  0 07.6  ? B B 1 t = − 5.K  5 1 ,  &F' A. ! 1 1− B. ! 1 1+ C. 1 1 !− D. ! 1 1"− + 08.6  5D? @ 0? @  6 @ ?5.E  0 1 B ! 1 1" 1 B + − − 7?C. ;?  5F(  &<  ' A.B B. ! 1 1+ C. 1 ! 1 1"− D.%  5G  :7%  C.  0 09.%  &F?M6&LE=&F&.( @ &.>  5&7(0.(' B 2N2Bn n− − < A.1H2B B.1H22 C.1A++ D.B2222 10..( 6 @ ?5.E  0' 1 B3 H2 1 1x x x+ − + .(  &IG6 @  6 @ ?5.E  00(  F   5;  ,  &F2 A. 1x = − B. Ax = C. 1x = D. Ax = − 7       !" #$ %&'()&  *  + ,-./0'12234122+ /56&./07 &.'89:'  Nội dung đề: 008 01.   5;  <=  &&.>  50? @  1 Ay x x= − + − <  ' A.B B.A C.1 D.%  57%  C.  0 02..( 6 @ ?5.E  0' 1 B3 H2 1 1x x x+ − + .(  &IG6 @  6 @ ?5.E  00(  F   5;  ,  &F2 A. Ax = B. 1x = − C. 1x = D. Ax = − 03.6  5D? @ 0? @  6 @ ?5.E  0 1 B ! 1 1" 1 B + − − 7?C. ;?  5F(  &<  ' A. ! 1 1+ B. 1 ! 1 1"− C.B D.%  5G  :7%  C.  0 04.R.>&5.E  0 1 1 P" ! 1 ! + + ,  &F' A.B B. A ! C. 1 ! ! D. 1 1 ! 05.%  &F?M6&LE=&F&.( @ &.>  5&7(0.(' B 2N2Bn n− − < A.1H22 B.1H2B C.1A++ D.B2222 06.;(&F0  0:.J  :5K  &.LE=  G>MN:.J  :5K  &.&  (0(  C6  5D? @ ,  &F' ! O− A. 1 13 ! P! H O− + B. 13 ! O P!+ − C. A O 1 P! B! O+ − D. ! O H O P 13− + 07.6  ? B B 1 t = − 5.K  5 1 ,  &F' A. 1 1 !− B. ! 1 1+ C. ! 1 1− D. ! 1 1"− + 08.K  -I 6  5' A ! 1 1H B3x x x− + = A.IQ41 B.IQ4A C.IQA D.IQ 1 09.K  -0  0.U 6  57 5;(&F0  00  0.U 6  57?' A. 1  VQ V U=   V 2≥ B. 1  VQ V U=   NV 2≥ C. 1  VQ4 V U=   V 2NW2≥ D. 1  VQ  V U=   V 2≥ 10.S=  IT15.K  F   5;   6 @ ?5.E  0 ! 1 1 P A 1x x x x+ + + − + − + ,  &F' A. 1x− + B.! C.1 D.%  5G  :7%  C.  0 8 TN100 tổng hợp đáp án 8 đề đa ̣ i sô ́ ( ba ̀ i sô ́ 3 ) 1. Đáp án đề: 001 01. - | - - 04. - - } - 07. - - - ~ 10. { - - - 02. { - - - 05. - | - - 08. - - - ~ 03. { - - - 06. { - - - 09. - | - - 2. Đáp án đề: 002 01. - - - ~ 04. - - } - 07. { - - - 10. - | - - 02. - - } - 05. { - - - 08. - - - ~ 03. { - - - 06. - | - - 09. - | - - 3. Đáp án đề: 003 01. { - - - 04. { - - - 07. - | - - 10. - | - - 02. - | - - 05. - - } - 08. - - } - 03. - | - - 06. { - - - 09. - | - - 4. Đáp án đề: 004 01. - - } - 04. - | - - 07. - | - - 10. - | - - 02. { - - - 05. - - - ~ 08. - | - - 03. - - } - 06. { - - - 09. - | - - 5. Đáp án đề: 005 01. - | - - 04. - - } - 07. - - - ~ 10. { - - - 02. { - - - 05. { - - - 08. { - - - 03. { - - - 06. - - } - 09. - - } - 6. Đáp án đề: 006 01. { - - - 04. - - } - 07. - - } - 10. { - - - 02. - | - - 05. { - - - 08. { - - - 03. { - - - 06. { - - - 09. - | - - 7. Đáp án đề: 007 01. { - - - 04. - - - ~ 07. - | - - 10. - | - - 02. - - } - 05. { - - - 08. { - - - 03. - - } - 06. - - } - 09. { - - - 8. Đáp án đề: 008 01. - - } - 04. - | - - 07. - | - - 10. - | - - 02. { - - - 05. - | - - 08. - - } - 03. - - } - 06. - - } - 09. { - - - 9 .  &F' A.B B. A ! C. 1 ! ! D. 1 1 ! 05.%  &F?M6&LE=&F& .( @ &.>  5&7 ( 0 .( ' B 2N2Bn n− − <.  &F?M6&LE=&F& .( @ &.>  5&7 ( 0 .( ' B 2N2Bn n− − < A.1A++ B.1H2B C.B2222 D.1H22 10.   5;  <=