人教版初二数学上册单项式乘多项式练习题精选34.docx

1、人教版初二数学上册单项式乘多项式练习题精选34 (x2)(6x7) 2a(6a7b) (4x9y)(5x) 5 1 (ab34ab)ab 3x(4x1)2x(2x1)2x(x3) 4 5 (8105)(2102) (ab)(3a) (3x)2(2x4y5) 9x5x2 6y2(6xy2) (4x)25x2 (3a)3(4a)3 5a3a 9y22y4 (3x3)(2x7) 5a(8a6b) (4x2y)(6x) 2 1 (ab34ab)ab3 3x(x3)x(x4)x(x3) 3 2 (6103)(9108) (ab3)(4a2) (2x)2(4x2y5) 2x47x4 5y2(5xy) (3

2、x)27x2 (4a)3(2a)2 5a8a 8y7y (7x2)(4x8) 9a(3a9b) (4x7y)(4x) 6 1 (ab34ab)ab2 2x(4x4)x(4x2)2x(4x4) 5 6 (7107)(6109) (a2b2)(4a4) (4x)3(2x3y5) 6x3x 9y(6x4y3) (4x)34x4 (4a)2(2a)2 3a49a 4y5y2 (3x3)(5x1) 7a(7a9b) (8x2y)(5x) 3 1 (ab22ab)ab 4x(3x3)x(3x4)x(x3) 4 3 (6102)(9104) (a4b4)(7a) (3x)3(4x3y3) 4x29x3 3y

3、(6xy4) (4x)35x4 (3a)2(4a)3 6a3a 6y32y (x3)(6x2) 5a(7a7b) (4x8y)(4x) 7 1 (ab23ab)ab 2x(x2)x(x2)x(2x3) 6 7 (2109)(3108) (9ab)(8a) (3x)3(4x3y5) 2x4x4 5y4(5xy) (4x)32x2 (3a)3(2a)2 6a29a 4y2y (7x2)(3x7) 7a(5a7b) (7x6y)(8x) 6 1 (ab25ab)ab x(2x4)3x(x4)x(x3) 5 6 (4104)(7106) (8a4b)(5a) (4x)3(2x3y4) 7x4x3 8y

4、(8x3y) (2x)29x4 (3a)3(2a)3 2a48a4 2y3y (9x3)(7x2) 3a(6a7b) (2x2y)(9x) 4 1 (ab32ab)ab3 x(x4)x(4x3)x(x2) 3 4 (6104)(4104) (ab)(5a) (2x)2(3x3y4) 6x24x 6y2(5xy4) (4x)24x2 (3a)2(4a)2 8a8a 8y33y2 (2x2)(7x6) 9a(2a2b) (3x7y)(3x) 4 1 (ab26ab)ab3 x(2x4)3x(3x1)x(x2) 5 4 (8108)(6108) (8ab)(8a) (4x)2(4x4y5) 7x36

5、x 2y2(7xy) (3x)29x2 (4a)3(4a)3 4a5a 5y24y (6x3)(9x3) 8a(9a5b) (8x8y)(6x) 4 1 (ab36ab)ab2 x(4x3)x(3x3)2x(4x4) 3 4 (6108)(6103) (a3b4)(3a) (4x)3(4x4y3) 4x24x 2y4(7xy) (3x)37x3 (2a)3(4a)2 3a7a3 6y4y (6x2)(9x4) 5a(6a7b) (4x2y)(7x) 4 1 (ab33ab)ab2 x(3x1)x(2x1)x(2x1) 5 4 (2106)(3108) (a2b4)(4a3) (4x)2(2x2

6、y4) 5x43x 4y2(5xy) (4x)37x3 (2a)3(4a)2 2a3a 2y9y4 (x3)(6x4) 7a(8a6b) (9x7y)(5x) 4 1 (ab25ab)ab x(4x1)2x(x1)x(2x3) 3 4 (4102)(2103) (ab)(7a) (3x)2(2x4y3) 7x2x2 4y4(2x2y3) (2x)33x3 (3a)2(2a)3 7a6a 9y25y3 (x4)(6x9) 7a(2a5b) (2x7y)(6x) 4 1 (ab24ab)ab2 3x(2x4)2x(2x1)3x(2x4) 3 4 (5103)(5105) (ab)(8a) (4x)

7、2(4x3y2) 6x27x 7y(5x3y) (2x)39x4 (3a)2(2a)2 5a3a 6y23y (4x2)(5x6) 6a(5a4b) (9x4y)(4x) 4 1 (ab25ab)ab x(x1)x(x3)x(x3) 5 4 (5108)(6102) (2ab3)(8a4) (2x)3(3x3y4) 2x36x 2y(2xy) (3x)28x3 (3a)2(3a)3 7a29a3 5y3y3 (x2)(4x7) 3a(8a7b) (3x2y)(8x) 5 1 (ab35ab)ab3 x(4x4)2x(x1)x(x3) 6 5 (9103)(7103) (9a4b4)(8a) (

8、3x)3(4x3y4) 2x5x2 9y3(2xy) (2x)34x3 (2a)2(4a)3 7a2a 2y23y3 (x2)(6x6) 2a(7a4b) (4x4y)(7x) 4 1 (ab25ab)ab3 2x(x3)4x(x3)3x(x4) 3 4 (4102)(8104) (ab3)(6a2) (3x)3(3x4y2) 8x48x3 2y4(4xy4) (4x)32x4 (3a)2(2a)3 8a34a3 6y7y (x2)(6x8) 6a(2a4b) (8x2y)(7x) 4 1 (ab24ab)ab3 4x(4x1)x(x4)2x(x4) 5 4 (7109)(4105) (a3b

9、2)(4a2) (4x)2(2x4y4) 5x5x2 2y(3x4y4) (2x)26x4 (4a)2(4a)3 9a43a 7y49y4 (x2)(4x8) 6a(2a3b) (3x9y)(8x) 3 1 (ab34ab)ab2 x(x2)4x(x3)x(x1) 4 3 (3107)(2104) (a2b3)(6a3) (2x)3(3x2y2) 9x8x2 6y(5x2y2) (3x)34x4 (3a)2(2a)3 8a34a 9y8y (x3)(2x4) 5a(7a5b) (2x8y)(2x) 4 1 (ab32ab)ab 4x(3x2)2x(3x1)x(4x4) 3 4 (2108)(6

10、102) (ab3)(5a) (3x)3(4x3y4) 3x24x4 2y(3x2y3) (2x)38x2 (2a)3(2a)2 9a42a3 2y43y (x3)(3x2) 5a(3a7b) (9x2y)(5x) 5 1 (ab25ab)ab 3x(2x2)2x(2x1)3x(x1) 6 5 (6103)(8105) (ab4)(3a2) (4x)3(4x4y2) 4x9x 3y(4xy4) (2x)33x3 (3a)3(2a)3 4a4a2 7y24y (x4)(3x4) 9a(7a2b) (2x4y)(4x) 2 1 (ab36ab)ab3 x(3x1)3x(4x2)x(x3) 3 2

11、(3106)(2103) (5a4b2)(6a) (4x)3(4x2y4) 9x7x 2y(8x2y) (3x)37x2 (4a)3(4a)2 5a5a4 6y5y3 (x2)(7x8) 8a(2a2b) (9x2y)(2x) 5 1 (ab32ab)ab2 x(x3)4x(x3)3x(4x2) 6 5 (8104)(8106) (a4b)(2a) (3x)2(4x2y5) 6x44x 6y(8x4y) (2x)32x2 (4a)2(3a)2 3a8a 8y5y (x3)(3x9) 8a(7a3b) (8x2y)(2x) 3 1 (ab24ab)ab x(3x4)4x(2x3)3x(4x2)

12、4 3 (3104)(9108) (8a3b2)(4a3) (3x)3(4x3y5) 3x5x3 9y(2x2y4) (3x)33x3 (4a)3(4a)3 8a8a 5y3y4 (2x2)(4x4) 6a(5a8b) (4x9y)(8x) 4 1 (ab22ab)ab3 4x(3x3)2x(4x4)x(3x2) 5 4 (3107)(6108) (ab3)(5a) (2x)2(2x4y5) 4x2x3 5y4(8x4y) (2x)22x3 (3a)3(4a)3 8a2a 4y42y (x3)(2x8) 9a(3a4b) (9x9y)(5x) 5 1 (ab36ab)ab 3x(x3)x(4x

13、2)3x(3x1) 4 5 (4102)(2105) (5a3b)(6a) (2x)3(3x2y3) 2x26x4 8y(7x2y2) (3x)25x2 (3a)3(3a)2 3a48a2 9y4y2 (8x4)(2x2) 8a(5a5b) (4x9y)(3x) 5 1 (ab34ab)ab x(2x1)x(x1)x(3x4) 6 5 (2103)(2108) (a2b4)(6a) (4x)3(3x2y3) 5x6x 4y2(9x4y3) (3x)34x4 (3a)3(2a)2 3a23a 7y28y4 (2x4)(8x6) 2a(8a3b) (6x7y)(2x) 3 1 (ab32ab)ab

14、 4x(x3)2x(2x3)4x(x3) 4 3 (2104)(9104) (ab3)(5a4) (3x)2(2x2y3) 2x36x 2y(5x4y3) (4x)39x3 (4a)3(3a)2 5a28a 6y4y2 (x3)(8x9) 8a(2a3b) (7x8y)(7x) 5 1 (ab26ab)ab3 4x(4x1)x(x3)2x(3x3) 4 5 (8103)(5105) (7a2b)(3a4) (3x)2(4x2y3) 5x39x 8y3(4xy) (3x)34x4 (4a)2(4a)3 3a33a 6y47y (9x3)(2x4) 2a(2a5b) (6x3y)(5x) 7 1 (ab26ab)ab2 x(x3)x(x1)x(2x3) 6 7 (3104)(2103) (2ab2)(3a3) (2x)2(3x2y2) 5x2x 9y(3x3y3) (3x)22x2 (3a)3(4a)3 2a3a3 4y5y (x4)(2x2) 7a(3a3b) (6x7y)(5x) 2 1 (ab32ab)ab2 x(x1)x(4x