人教版初二数学上册单项式乘多项式练习题精选32.docx

1、人教版初二数学上册单项式乘多项式练习题精选32 (3x4)(3x3) 7a(2a3b) (9x5y)(5x) 5 1 (ab36ab)ab2 3x(x2)2x(x2)x(x3) 6 5 (8108)(2109) (ab)(5a4) (4x)3(4x4y5) 8x29x 7y3(6xy) (2x)22x2 (3a)2(2a)2 6a49a4 6y47y4 (x3)(2x4) 4a(2a5b) (3x8y)(5x) 5 1 (ab36ab)ab3 3x(2x2)x(x1)x(4x1) 4 5 (5108)(9104) (2ab)(7a) (4x)3(4x4y3) 4x28x3 7y(2xy) (4

2、x)26x4 (4a)3(4a)2 5a39a 4y26y3 (7x2)(8x2) 3a(6a9b) (4x7y)(7x) 7 1 (ab35ab)ab2 3x(4x2)3x(x3)2x(3x3) 6 7 (4106)(7108) (a2b)(4a2) (4x)2(4x2y3) 2x46x 7y4(7x3y2) (3x)39x2 (3a)2(2a)3 2a7a 5y7y (2x4)(7x8) 2a(5a9b) (7x2y)(5x) 2 1 (ab32ab)ab3 x(x4)2x(4x4)2x(x1) 3 2 (8108)(4107) (6a2b)(6a4) (4x)3(2x3y3) 6x34x

3、2 4y(5xy2) (4x)38x4 (4a)2(3a)2 5a9a3 3y29y (3x2)(2x6) 4a(6a6b) (6x5y)(9x) 7 1 (ab36ab)ab3 x(2x1)x(x1)x(x4) 6 7 (4108)(9108) (ab4)(7a4) (4x)3(4x3y4) 9x5x 8y(2x4y) (2x)33x4 (2a)2(3a)3 9a8a2 8y3y3 (x2)(6x8) 9a(8a4b) (5x9y)(7x) 5 1 (ab32ab)ab x(x3)x(x2)x(x3) 6 5 (8108)(6109) (9ab4)(2a4) (3x)2(2x3y2) 2x9

4、x2 4y(6xy3) (4x)24x4 (4a)2(4a)3 8a37a 6y48y (x2)(2x7) 7a(6a4b) (8x5y)(5x) 5 1 (ab33ab)ab3 2x(x4)x(3x2)2x(3x2) 6 5 (6109)(5108) (a4b4)(7a) (3x)2(2x2y2) 4x4x3 8y(6x3y) (4x)36x4 (4a)3(3a)3 2a7a2 8y48y (9x4)(4x6) 5a(4a7b) (7x4y)(7x) 2 1 (ab26ab)ab x(2x4)3x(4x4)x(x2) 3 2 (4108)(2108) (6a2b)(4a) (4x)3(2x2

5、y4) 5x6x 2y(7xy4) (3x)35x4 (2a)2(3a)3 9a23a4 9y4y (6x3)(5x1) 9a(5a5b) (9x9y)(8x) 2 1 (ab36ab)ab2 x(x4)4x(4x2)x(x3) 3 2 (6109)(8109) (ab)(4a) (3x)3(4x2y2) 4x26x 3y(6xy) (4x)33x4 (3a)3(2a)3 8a6a4 3y44y2 (9x4)(2x8) 4a(3a2b) (6x8y)(6x) 7 1 (ab24ab)ab 3x(2x3)x(x4)2x(4x2) 6 7 (4105)(9109) (ab)(6a2) (4x)2(

6、3x2y5) 9x2x4 2y2(7xy) (3x)36x4 (4a)3(3a)3 9a36a4 9y4y2 (x3)(3x9) 4a(3a3b) (9x8y)(6x) 6 1 (ab26ab)ab 2x(x4)2x(2x1)x(2x1) 5 6 (9104)(9104) (ab)(7a) (3x)2(2x4y2) 8x7x2 2y4(7xy) (2x)32x4 (2a)2(3a)2 2a44a4 6y8y (3x3)(9x7) 8a(3a6b) (6x5y)(2x) 4 1 (ab24ab)ab2 x(2x3)x(x2)x(4x1) 3 4 (4103)(9102) (3a4b)(7a) (

7、4x)3(4x2y3) 3x44x 4y(7xy2) (3x)24x3 (4a)3(2a)3 3a35a 9y23y (7x3)(7x9) 2a(7a7b) (8x3y)(8x) 3 1 (ab22ab)ab 4x(3x3)3x(x4)2x(2x4) 4 3 (4109)(2105) (4a2b2)(8a3) (4x)3(3x2y3) 6x42x4 4y(6xy) (3x)38x3 (4a)2(2a)2 3a3a 3y2y3 (2x2)(4x2) 3a(6a9b) (4x7y)(9x) 4 1 (ab35ab)ab3 2x(x3)x(3x4)2x(x3) 3 4 (3107)(5104) (7

8、a3b)(4a3) (2x)2(4x2y2) 4x5x4 8y(2x4y) (4x)32x2 (3a)3(3a)2 2a34a2 8y7y3 (2x4)(3x3) 6a(4a8b) (4x7y)(2x) 7 1 (ab32ab)ab x(x3)2x(2x1)x(4x3) 6 7 (9104)(6106) (5ab)(5a) (2x)3(3x3y3) 7x4x 8y4(3x3y) (4x)22x4 (2a)2(4a)2 6a46a 6y5y4 (x3)(6x4) 8a(7a8b) (2x3y)(8x) 3 1 (ab35ab)ab3 x(x1)2x(4x2)4x(3x4) 4 3 (6107)(

9、4105) (3a4b)(5a3) (4x)3(3x4y3) 3x8x 6y4(2xy) (2x)29x4 (4a)2(3a)2 3a42a 8y34y (2x2)(6x4) 9a(9a9b) (8x7y)(5x) 3 1 (ab33ab)ab 3x(3x3)3x(2x1)x(x2) 4 3 (8103)(4105) (3ab3)(9a2) (3x)3(3x3y4) 2x28x2 9y(3x2y) (2x)35x4 (4a)3(3a)2 5a43a 2y2y3 (x4)(8x4) 9a(3a6b) (6x7y)(4x) 5 1 (ab22ab)ab3 x(4x1)x(4x2)x(3x4) 4

10、5 (9104)(4104) (ab)(9a) (4x)3(4x2y2) 8x32x 5y(3xy2) (4x)24x4 (3a)3(3a)3 3a7a 2y3y2 (x3)(6x1) 4a(4a9b) (4x6y)(2x) 7 1 (ab33ab)ab x(x3)x(3x2)3x(3x2) 6 7 (2106)(2109) (7ab3)(5a2) (3x)2(2x2y2) 4x8x 6y4(6x2y) (2x)29x2 (3a)3(2a)2 2a45a3 7y22y3 (x4)(8x2) 6a(7a2b) (5x4y)(7x) 6 1 (ab25ab)ab 2x(2x2)2x(4x1)x(4

11、x3) 5 6 (4108)(5109) (3a4b)(5a) (2x)3(3x3y4) 3x44x 7y2(8xy) (3x)26x4 (4a)3(3a)2 8a9a2 9y7y2 (x4)(5x4) 2a(8a9b) (5x7y)(2x) 6 1 (ab33ab)ab 4x(4x4)4x(x3)4x(x4) 5 6 (2102)(8102) (8a3b4)(5a2) (3x)3(2x3y3) 4x28x 2y(2x4y) (2x)28x3 (2a)3(2a)3 8a29a 2y44y (3x4)(5x2) 4a(8a3b) (3x8y)(9x) 7 1 (ab24ab)ab3 x(4x1)

12、3x(3x4)4x(3x1) 6 7 (5102)(3105) (ab3)(4a) (3x)2(2x4y2) 8x43x 5y(3x4y4) (2x)35x4 (3a)3(2a)3 4a48a2 6y3y2 (4x2)(3x7) 3a(9a2b) (9x7y)(4x) 6 1 (ab36ab)ab2 x(x2)2x(4x3)2x(4x1) 5 6 (9103)(2108) (2a3b)(5a) (3x)2(4x3y2) 3x35x 3y2(7xy2) (3x)35x3 (2a)2(4a)2 5a25a4 4y7y (6x4)(5x4) 9a(2a6b) (9x6y)(6x) 6 1 (ab34

13、ab)ab3 2x(x3)4x(x1)x(x3) 5 6 (2102)(7107) (a2b4)(6a) (2x)2(4x4y2) 7x27x4 3y(4x3y3) (3x)39x4 (4a)2(4a)2 8a2a3 6y33y (9x3)(3x4) 6a(2a2b) (5x3y)(8x) 7 1 (ab34ab)ab2 x(x2)x(x1)x(4x2) 6 7 (4107)(9108) (2ab)(2a) (3x)3(2x3y5) 7x8x 5y2(8x3y) (4x)25x2 (4a)2(4a)2 4a35a4 6y28y (6x4)(5x5) 5a(7a6b) (9x4y)(2x) 2

14、1 (ab25ab)ab3 x(x2)x(x1)x(x4) 3 2 (9108)(2103) (8a2b)(5a4) (4x)3(4x2y3) 3x48x 4y(7xy4) (3x)36x3 (4a)2(2a)2 4a29a4 9y32y (5x2)(6x8) 8a(2a4b) (4x2y)(6x) 5 1 (ab24ab)ab 3x(4x4)x(x4)x(2x3) 4 5 (7109)(9102) (ab2)(4a2) (4x)3(2x2y4) 9x5x 6y2(3x3y2) (3x)23x4 (4a)3(4a)2 2a32a 8y4y2 (x2)(3x1) 8a(3a4b) (3x8y)(9x) 2 1 (ab22ab)ab 4x(x1)3x(4x1)x(4x3) 3 2 (3102)(5103) (ab)(2a) (2x)3(3x2y2) 8x23x 4y3(6xy4) (3x)26x3 (4a)2(3a)2 9a29a 2y5y (9x4)(6x7) 3a(5a8b) (5x9y)(3x) 3 1 (ab23ab)ab 4x(x4)2x(3x2)