人教版初二数学上册单项式乘多项式练习题精选7.docx

1、人教版初二数学上册单项式乘多项式练习题精选7 (x3)(8x1) 9a(8a3b) (3x4y)(9x) 5 1 (ab23ab)ab2 4x(x2)2x(x3)x(x3) 4 5 (6108)(5104) (ab2)(8a) (4x)3(2x3y5) 4x3x 7y(4x4y) (3x)39x3 (4a)2(2a)2 5a42a3 9y48y (x4)(3x1) 9a(2a6b) (4x7y)(8x) 6 1 (ab36ab)ab2 4x(x4)3x(2x1)2x(x1) 5 6 (9102)(3104) (a4b2)(6a2) (4x)2(2x3y5) 3x28x 7y(3x3y3) (4

2、x)24x2 (2a)2(2a)2 9a7a 3y29y (x2)(7x9) 8a(4a8b) (8x3y)(6x) 7 1 (ab22ab)ab3 2x(3x4)4x(4x3)4x(3x4) 6 7 (6104)(5105) (a3b4)(8a) (3x)2(4x2y4) 7x9x4 4y(7xy) (2x)33x3 (2a)3(4a)3 8a4a 6y9y2 (x3)(6x3) 7a(8a2b) (4x7y)(6x) 5 1 (ab23ab)ab 3x(2x2)x(4x4)3x(4x2) 4 5 (2106)(9109) (a4b)(7a2) (3x)2(3x3y5) 2x48x2 3y3

3、(7xy3) (2x)27x3 (3a)2(4a)2 3a7a3 9y2y2 (3x3)(4x7) 5a(3a8b) (6x8y)(6x) 5 1 (ab32ab)ab x(x3)2x(x1)x(4x4) 6 5 (8108)(7109) (2a4b)(4a2) (3x)3(3x4y2) 9x49x4 6y3(9xy) (3x)23x3 (2a)2(3a)3 2a25a 6y46y (x2)(5x2) 3a(5a8b) (7x3y)(9x) 5 1 (ab25ab)ab 2x(3x1)3x(2x2)4x(3x1) 4 5 (2107)(3106) (8a3b)(7a) (4x)2(3x2y4)

4、 6x7x4 9y(9x3y3) (3x)34x3 (2a)3(2a)3 8a5a 4y48y2 (x4)(9x4) 3a(2a7b) (9x7y)(5x) 3 1 (ab32ab)ab3 3x(x1)x(4x3)2x(x1) 4 3 (4104)(6104) (3a4b)(3a3) (3x)2(3x2y4) 7x6x 7y(5x2y3) (3x)35x4 (4a)3(3a)3 4a8a4 8y45y4 (9x4)(7x7) 9a(9a6b) (2x7y)(9x) 6 1 (ab23ab)ab2 x(x2)x(x4)x(3x3) 5 6 (5108)(3102) (a3b4)(9a) (4x)

5、3(2x4y3) 3x23x 4y(2x4y4) (4x)25x4 (2a)3(3a)3 5a4a3 8y38y2 (x2)(8x4) 2a(3a5b) (5x7y)(7x) 2 1 (ab26ab)ab x(x3)4x(x2)2x(3x1) 3 2 (4105)(4107) (a4b3)(7a) (2x)3(2x3y5) 6x24x4 9y3(4x4y) (2x)33x2 (2a)2(4a)3 4a42a3 5y49y (5x3)(6x7) 9a(2a3b) (3x4y)(6x) 4 1 (ab26ab)ab x(3x1)x(x2)x(x1) 5 4 (4103)(6109) (ab2)(5

6、a) (4x)3(2x4y3) 9x46x 8y4(9x2y) (3x)22x3 (3a)2(3a)3 9a8a3 8y25y4 (7x2)(6x9) 4a(5a9b) (6x5y)(2x) 5 1 (ab23ab)ab2 x(x2)x(3x4)x(x1) 4 5 (7107)(7107) (a3b)(7a) (2x)2(2x3y3) 9x5x 7y4(5xy4) (4x)37x3 (3a)3(2a)2 4a3a4 4y45y4 (x4)(9x1) 6a(7a3b) (3x6y)(5x) 5 1 (ab33ab)ab3 2x(x1)x(4x2)x(x1) 4 5 (9105)(6104) (a

7、b)(3a3) (4x)2(4x2y4) 4x8x 7y2(7xy4) (4x)36x3 (4a)2(3a)2 6a7a3 7y9y (x3)(9x8) 9a(8a5b) (3x8y)(6x) 6 1 (ab26ab)ab2 x(x2)x(4x3)2x(2x4) 5 6 (3107)(2104) (ab)(7a) (2x)3(2x3y4) 9x5x 3y(7xy3) (3x)26x3 (2a)2(4a)3 7a9a 2y24y3 (x2)(4x2) 7a(9a6b) (2x6y)(2x) 4 1 (ab26ab)ab x(2x2)4x(3x3)x(2x2) 3 4 (4107)(8103) (

8、6ab)(4a) (2x)2(3x2y3) 2x8x 6y2(5x2y2) (2x)35x4 (2a)2(2a)3 5a2a2 2y9y4 (x3)(6x5) 9a(4a8b) (4x8y)(3x) 7 1 (ab23ab)ab3 2x(x1)3x(x3)x(3x3) 6 7 (4107)(6109) (2ab)(9a) (2x)3(2x2y3) 9x7x4 6y2(7xy2) (3x)26x2 (4a)2(4a)2 3a45a2 4y9y (x3)(9x3) 4a(2a7b) (4x2y)(4x) 4 1 (ab35ab)ab3 x(x2)3x(x3)x(2x4) 3 4 (8105)(21

9、03) (6a2b2)(3a) (4x)3(4x3y2) 6x5x 5y4(6x3y4) (2x)34x2 (3a)3(2a)2 2a4a 9y28y2 (x4)(6x9) 5a(3a9b) (8x4y)(6x) 6 1 (ab34ab)ab2 x(4x2)4x(x1)x(x1) 5 6 (4105)(3109) (3a4b)(6a) (2x)3(4x4y3) 2x4x 6y2(5xy2) (2x)38x2 (3a)3(3a)2 7a4a2 7y45y (9x3)(4x4) 5a(7a2b) (6x5y)(8x) 2 1 (ab32ab)ab 4x(x2)4x(4x3)x(4x2) 3 2 (

10、7103)(5105) (ab3)(8a4) (2x)2(2x4y3) 5x29x2 9y4(6x3y) (4x)28x2 (2a)2(3a)3 2a3a2 4y4y (5x3)(7x8) 7a(7a4b) (5x3y)(5x) 6 1 (ab22ab)ab2 x(3x2)3x(4x3)4x(x3) 5 6 (5105)(5102) (9ab2)(7a4) (3x)3(3x3y4) 5x2x3 9y(2x4y) (3x)27x3 (3a)3(2a)3 6a8a 5y23y4 (x2)(8x1) 6a(9a7b) (6x3y)(2x) 2 1 (ab32ab)ab3 3x(x1)x(x4)x(x

11、2) 3 2 (6102)(4106) (3ab3)(9a) (4x)2(2x4y4) 5x4x 6y(2x2y2) (3x)34x4 (2a)3(3a)2 4a27a3 2y3y (9x4)(2x6) 8a(7a6b) (8x2y)(5x) 4 1 (ab26ab)ab x(4x3)4x(x4)x(4x4) 5 4 (9102)(9103) (5a2b)(7a4) (2x)3(4x3y3) 3x8x4 9y(7xy2) (2x)26x2 (3a)2(2a)3 2a5a 2y8y (5x3)(4x6) 6a(8a5b) (2x3y)(3x) 3 1 (ab22ab)ab 4x(x1)2x(4x

12、2)x(x4) 4 3 (9108)(7103) (ab)(2a3) (4x)3(4x4y5) 9x33x3 8y(3x3y) (3x)27x3 (3a)2(3a)2 4a39a3 9y24y2 (7x3)(6x1) 9a(8a7b) (6x3y)(9x) 6 1 (ab34ab)ab3 x(x2)2x(x3)3x(2x4) 5 6 (6108)(3108) (ab4)(4a2) (4x)3(4x2y4) 5x38x 7y3(2x4y4) (2x)34x4 (3a)2(4a)3 2a42a4 6y4y4 (x4)(2x2) 8a(4a7b) (9x6y)(2x) 3 1 (ab24ab)ab

13、x(x1)3x(2x4)x(x3) 4 3 (9104)(7106) (8a3b4)(8a) (3x)3(3x4y3) 3x6x 5y(5x3y) (4x)22x3 (3a)3(4a)2 5a34a2 8y5y (9x3)(3x9) 9a(2a8b) (5x6y)(9x) 4 1 (ab34ab)ab3 2x(x2)x(3x3)x(x1) 5 4 (5108)(5109) (9ab3)(9a) (3x)3(2x4y4) 3x37x 6y(2x2y) (3x)38x4 (2a)2(3a)2 8a27a2 7y7y (6x3)(7x4) 9a(4a2b) (5x7y)(6x) 7 1 (ab22a

14、b)ab x(3x4)4x(x4)2x(x1) 6 7 (3106)(5106) (8ab)(2a) (4x)2(2x2y2) 2x3x 5y2(6xy) (4x)26x2 (4a)2(4a)3 7a3a 2y28y3 (9x2)(9x3) 2a(5a5b) (5x6y)(2x) 3 1 (ab34ab)ab 2x(x4)4x(x3)x(x2) 4 3 (7106)(8106) (9a4b2)(7a) (4x)2(2x4y4) 3x9x4 7y(6x3y) (3x)36x2 (3a)3(2a)3 6a38a 3y3y (x4)(9x5) 4a(2a7b) (9x9y)(4x) 4 1 (ab36ab)ab x(2x4)x(4x3)x(3x1) 3 4 (5108)(2108) (a4b)(5a) (3x)2(4x4y3) 3x4x3 7y(7x3y2) (2x)28x2 (3a)3(3a)2 2a6a 2y48y (x4)(3x5) 2a(4a2b) (7x8y)(8x) 5 1 (ab34ab)ab3 x(3x2)2x(x4)3x(3x2)