人教版初二数学上册单项式乘多项式练习题精选5.docx

1、人教版初二数学上册单项式乘多项式练习题精选5 (5x4)(4x5) 5a(5a8b) (4x9y)(6x) 4 1 (ab26ab)ab2 4x(x2)2x(x1)x(2x1) 3 4 (4106)(6105) (9a4b)(9a4) (2x)3(4x3y4) 9x48x 5y(9xy) (4x)36x2 (2a)3(3a)3 9a36a3 5y44y2 (x2)(4x9) 6a(6a4b) (3x9y)(6x) 4 1 (ab24ab)ab2 x(x1)x(x4)3x(4x1) 5 4 (9102)(4105) (3ab4)(2a) (3x)2(2x3y5) 6x6x3 5y(4xy3) (

2、3x)29x3 (4a)3(2a)3 4a22a 7y5y (x4)(6x6) 8a(9a8b) (2x5y)(9x) 4 1 (ab36ab)ab x(2x1)x(4x4)x(x2) 5 4 (5102)(5103) (ab)(4a) (4x)2(3x4y3) 7x29x 9y3(9xy2) (4x)37x3 (4a)2(4a)3 6a7a 9y49y4 (5x4)(8x5) 6a(4a9b) (2x3y)(8x) 6 1 (ab26ab)ab2 2x(x3)2x(3x3)2x(3x3) 5 6 (7107)(7109) (5a2b2)(4a) (4x)2(3x2y3) 5x7x 6y(4x

3、y) (4x)23x2 (2a)3(3a)3 3a6a2 8y5y (x4)(8x1) 6a(8a2b) (2x7y)(7x) 2 1 (ab36ab)ab2 4x(3x3)x(4x1)2x(x3) 3 2 (3109)(6109) (4ab)(8a) (2x)3(4x2y3) 3x8x4 4y3(7xy3) (3x)24x3 (2a)3(4a)2 9a27a3 3y43y3 (6x3)(5x7) 8a(2a6b) (6x8y)(7x) 4 1 (ab22ab)ab2 x(x3)x(x1)x(x4) 3 4 (2107)(4106) (5a4b4)(2a) (4x)2(2x4y5) 2x28x

4、 8y(5xy4) (3x)25x3 (4a)3(3a)3 7a42a3 8y9y (2x4)(7x3) 8a(8a8b) (2x4y)(7x) 7 1 (ab26ab)ab 2x(2x3)x(3x1)3x(3x2) 6 7 (6105)(4104) (5a2b4)(9a) (4x)3(3x3y5) 4x32x 5y(3xy2) (3x)25x4 (3a)3(3a)2 9a48a 2y4y (9x4)(3x5) 5a(9a5b) (3x9y)(7x) 5 1 (ab23ab)ab2 x(4x1)x(4x2)4x(x1) 4 5 (7106)(6106) (a2b)(3a) (2x)3(4x3y

5、3) 2x3x3 7y(8xy4) (2x)26x4 (4a)3(4a)3 4a46a2 3y3y2 (2x4)(9x6) 4a(3a4b) (7x2y)(8x) 6 1 (ab23ab)ab x(3x3)2x(x3)x(x1) 5 6 (3108)(4103) (ab)(8a) (2x)2(3x4y4) 8x37x4 3y2(4x3y) (3x)38x2 (4a)3(3a)2 8a4a 7y3y2 (8x3)(7x3) 7a(7a7b) (8x6y)(8x) 7 1 (ab25ab)ab 4x(x2)x(3x1)3x(2x3) 6 7 (8107)(6102) (6ab)(5a) (4x)3

6、(3x2y4) 5x2x 2y(7x3y) (3x)39x3 (3a)2(4a)2 2a8a 9y6y2 (x3)(8x8) 8a(2a2b) (3x6y)(9x) 5 1 (ab26ab)ab 2x(x4)x(2x4)x(x1) 6 5 (9105)(4104) (a2b3)(6a) (2x)2(2x3y4) 7x24x4 8y3(8x3y3) (3x)22x4 (4a)2(2a)2 8a48a 5y5y (x4)(4x3) 3a(3a8b) (8x9y)(9x) 7 1 (ab36ab)ab3 x(x1)x(4x2)2x(2x2) 6 7 (5102)(4109) (5ab)(2a) (2

7、x)3(3x3y3) 2x2x4 6y(8x3y3) (3x)34x3 (2a)2(3a)3 8a7a 2y49y (2x2)(8x3) 4a(5a9b) (8x9y)(5x) 7 1 (ab35ab)ab2 x(x1)4x(x2)x(2x4) 6 7 (2105)(5106) (8a4b4)(8a4) (4x)2(2x3y2) 5x48x 8y4(6xy) (3x)27x2 (4a)2(2a)3 9a4a4 8y43y (4x4)(6x7) 2a(2a8b) (7x9y)(9x) 4 1 (ab34ab)ab3 4x(x4)4x(x4)x(x4) 5 4 (6102)(3109) (a3b4

8、)(7a4) (3x)3(3x4y3) 2x2x 6y(5x3y4) (3x)27x4 (3a)2(2a)3 8a7a3 4y5y4 (3x2)(8x2) 9a(8a9b) (3x4y)(7x) 4 1 (ab26ab)ab x(3x4)x(x4)x(x2) 5 4 (5104)(7106) (a2b3)(3a) (3x)2(3x2y5) 8x38x 3y2(7xy2) (2x)34x3 (3a)2(2a)2 9a8a4 6y46y2 (7x3)(5x9) 7a(6a6b) (6x9y)(7x) 2 1 (ab36ab)ab x(3x3)x(x1)2x(x1) 3 2 (9104)(2107)

9、 (6a3b)(4a) (4x)3(2x4y3) 8x9x3 6y4(7x2y) (4x)39x4 (3a)3(3a)2 8a46a 9y5y2 (x3)(7x9) 6a(6a9b) (4x6y)(9x) 5 1 (ab34ab)ab 2x(3x3)4x(x4)x(4x2) 6 5 (7107)(6108) (6a3b4)(2a4) (2x)3(4x4y5) 2x42x 5y3(7xy2) (3x)25x2 (3a)3(3a)3 3a2a 2y2y2 (x4)(6x1) 5a(8a8b) (2x8y)(4x) 5 1 (ab35ab)ab x(2x1)3x(3x1)x(2x4) 6 5 (51

10、02)(9108) (a3b)(7a3) (4x)3(3x3y4) 9x36x 6y(7x4y2) (4x)34x4 (2a)2(2a)3 5a6a3 4y9y3 (3x4)(8x5) 8a(8a9b) (4x3y)(6x) 6 1 (ab35ab)ab3 4x(x3)x(3x4)3x(2x3) 5 6 (3105)(4105) (ab3)(2a) (2x)3(4x2y2) 6x6x4 8y4(2x4y4) (2x)33x2 (2a)3(4a)3 3a4a 7y2y (x2)(8x8) 7a(6a9b) (5x8y)(8x) 5 1 (ab23ab)ab2 x(x2)x(4x2)x(4x3)

11、6 5 (3109)(4102) (a4b)(5a) (2x)2(3x2y4) 7x34x 5y(2x3y) (3x)36x4 (2a)3(2a)2 2a7a 3y4y4 (6x3)(3x7) 6a(3a4b) (8x4y)(5x) 6 1 (ab26ab)ab x(2x3)2x(x2)x(2x1) 5 6 (2107)(9107) (ab)(7a3) (4x)3(2x2y5) 4x9x3 2y4(3xy3) (2x)35x3 (2a)3(4a)3 6a7a4 2y34y (x2)(3x2) 7a(5a7b) (5x9y)(7x) 7 1 (ab36ab)ab x(x3)4x(2x2)2x(4

12、x4) 6 7 (4102)(8102) (ab3)(4a) (4x)2(2x4y5) 6x48x4 4y(6x4y) (4x)36x3 (4a)3(2a)3 2a8a2 9y28y (3x3)(9x6) 2a(4a2b) (9x8y)(8x) 5 1 (ab35ab)ab2 x(x2)x(x1)2x(x3) 6 5 (5103)(8104) (9a4b)(8a3) (3x)3(4x4y4) 4x2x 9y2(6xy) (2x)34x4 (2a)2(3a)3 3a6a2 4y3y (x2)(3x7) 9a(7a8b) (9x4y)(9x) 5 1 (ab36ab)ab 3x(4x3)4x(x3

13、)x(x2) 4 5 (4106)(7108) (9ab2)(3a3) (3x)2(4x3y3) 6x6x4 8y3(5xy) (2x)22x4 (3a)3(4a)2 3a44a 3y5y (3x3)(6x4) 8a(7a2b) (4x8y)(8x) 6 1 (ab36ab)ab3 x(x1)2x(x2)4x(3x2) 5 6 (4105)(9106) (ab)(7a2) (4x)3(4x2y3) 3x48x4 7y(9xy2) (2x)25x2 (4a)3(4a)3 8a44a 6y26y (x3)(2x1) 5a(8a3b) (3x4y)(7x) 7 1 (ab25ab)ab2 x(2x1

14、)x(x3)2x(2x1) 6 7 (8109)(2105) (ab)(6a) (4x)3(3x3y2) 5x26x 5y(8xy3) (4x)27x3 (3a)2(3a)3 9a7a4 7y4y3 (x2)(4x6) 6a(3a5b) (6x8y)(9x) 5 1 (ab23ab)ab 3x(x3)4x(x1)x(4x2) 4 5 (7109)(4105) (a3b4)(7a) (3x)2(3x3y4) 5x3x2 8y4(6xy2) (4x)26x4 (3a)2(3a)3 4a22a 7y3y2 (x2)(3x3) 5a(2a7b) (2x8y)(9x) 4 1 (ab23ab)ab 3x(x3)x(2x3)x(4x2) 5 4 (8109)(3108) (ab2)(6a) (3x)3(2x3y4) 9x26x4 2y(7x4y) (2x)25x3 (2a)2(4a)2 8a33a 3y7y (x4)(6x5) 8a(7a7b) (5x9y)(2x) 6 1 (ab33ab)ab3 x(2x3)x(2x1)3x(4x4) 5 6