人教版初二数学上册多项式乘多项式练习题精选7.docx

1、人教版初二数学上册多项式乘多项式练习题精选7 (x4)(x2) (x6y)(2x8y) (2x2y)(x2xyy2) (m8n)(3m2n) (3a4)2 (2ab)(4a7b) (x27)(x4) (4x2x2)(2x3) (x2)(x3) (x1)(x6) (y4)(y2) (y4)(y2) (x3)(2x1) 3a(8a6b) (2x2y)(2x) 3 1 (ab23ab)ab 4x(3x1)4x(4x4)x(x1) 4 3 (x9)(3x8) (4x9y)(x6y) (x3y)(x2xyy2) (2m8n)(4m8n) (a2)2 (3ab)(ab) (x25)(2x3) (4x2x1

2、)(x3) (x3)(x1) (x5)(x6) (y4)(y2) (y1)(y1) (5x3)(5x1) 3a(6a8b) (4x9y)(3x) 6 1 (ab24ab)ab x(3x1)x(3x4)2x(2x4) 5 6 (x2)(4x6) (x8y)(x5y) (2x2y)(x22xyy2) (3m3n)(2m5n) (3a3)2 (4a5b)(2ab) (x23)(x7) (x2x1)(4x1) (x4)(x3) (x2)(x4) (y3)(y2) (y4)(y2) (x4)(6x8) 6a(4a2b) (6x5y)(3x) 4 1 (ab34ab)ab x(x1)x(x1)x(x2)

3、3 4 (x9)(4x8) (4xy)(x3y) (2x2y)(x22xyy2) (m8n)(m2n) (3a1)2 (2ab)(4a9b) (3x22)(x3) (x2x3)(x1) (x1)(x3) (x6)(x5) (y1)(y3) (y4)(y3) (6x4)(6x6) 4a(2a9b) (5x8y)(9x) 4 1 (ab35ab)ab 3x(4x3)x(x3)x(x1) 3 4 (4x8)(x2) (x3y)(4xy) (x3y)(x22xyy2) (m2n)(m2n) (4a3)2 (4a7b)(3ab) (x21)(4x9) (x24x2)(x3) (x3)(x2) (x5)(

4、x3) (y4)(y2) (y2)(y2) (x3)(5x5) 9a(8a3b) (7x9y)(4x) 6 1 (ab22ab)ab2 x(x3)4x(3x2)2x(x2) 5 6 (x8)(2x4) (4x4y)(xy) (xy)(x23xyy2) (4m4n)(4m5n) (a2)2 (ab)(a8b) (3x25)(3x8) (2x24x3)(x1) (x1)(x3) (x6)(x5) (y1)(y3) (y1)(y1) (7x2)(6x1) 6a(9a3b) (8x6y)(3x) 3 1 (ab32ab)ab3 3x(x2)3x(x2)x(2x3) 4 3 (3x9)(x5) (3x7

5、y)(x5y) (3xy)(x2xyy2) (3m4n)(m7n) (2a3)2 (2ab)(ab) (x27)(2x3) (3x2x2)(x1) (x3)(x1) (x5)(x6) (y4)(y3) (y1)(y2) (x4)(8x5) 8a(2a5b) (4x5y)(3x) 5 1 (ab34ab)ab3 3x(x1)3x(x3)x(3x2) 6 5 (4x7)(x1) (2xy)(2x5y) (xy)(x22xyy2) (2mn)(3m5n) (2a3)2 (a3b)(4ab) (3x24)(x1) (x23x1)(x1) (x2)(x1) (x2)(x3) (y4)(y2) (y2)(

6、y3) (5x2)(7x3) 5a(8a7b) (6x2y)(3x) 4 1 (ab36ab)ab3 4x(4x3)x(2x2)x(2x2) 5 4 (4x3)(x6) (4x8y)(3xy) (x3y)(x22xyy2) (4m5n)(m8n) (a1)2 (3a6b)(4ab) (4x27)(2x8) (4x22x1)(2x2) (x1)(x2) (x5)(x1) (y4)(y3) (y2)(y2) (x4)(3x2) 3a(4a9b) (9x5y)(8x) 5 1 (ab24ab)ab2 2x(2x1)x(x4)x(2x3) 6 5 (x8)(x5) (2x2y)(x3y) (x3y)(

7、x2xyy2) (2mn)(m2n) (a4)2 (2ab)(a7b) (2x23)(x1) (x22x2)(4x1) (x4)(x2) (x3)(x1) (y4)(y1) (y1)(y1) (7x2)(7x3) 8a(5a3b) (7x2y)(7x) 4 1 (ab23ab)ab x(4x3)3x(x4)x(x1) 5 4 (x5)(x8) (xy)(x8y) (xy)(x2xyy2) (m4n)(2mn) (a3)2 (3a2b)(ab) (x29)(x4) (4x23x1)(x2) (x4)(x1) (x5)(x6) (y2)(y2) (y3)(y1) (x3)(6x7) 5a(4a6b

8、) (5x2y)(4x) 6 1 (ab23ab)ab 3x(x1)x(4x1)4x(2x3) 5 6 (x5)(2x3) (4xy)(2xy) (x3y)(x2xyy2) (mn)(3mn) (2a4)2 (a9b)(a2b) (x26)(3x7) (2x22x1)(x1) (x3)(x2) (x5)(x2) (y4)(y2) (y2)(y3) (4x2)(5x3) 9a(7a4b) (7x9y)(9x) 5 1 (ab32ab)ab 2x(2x3)4x(4x1)3x(3x3) 6 5 (4x5)(2x1) (xy)(2x2y) (xy)(x2xyy2) (m3n)(m9n) (a4)2 (

9、4a8b)(a5b) (2x25)(4x6) (x22x2)(3x3) (x3)(x1) (x5)(x6) (y4)(y1) (y2)(y2) (4x2)(6x3) 4a(6a9b) (4x4y)(8x) 5 1 (ab35ab)ab2 2x(x3)x(4x4)3x(3x3) 4 5 (3x1)(x5) (x6y)(2x7y) (2x3y)(x22xyy2) (mn)(m7n) (a1)2 (3ab)(2a5b) (x22)(3x5) (x2x1)(x2) (x1)(x1) (x3)(x2) (y2)(y2) (y1)(y2) (8x2)(6x7) 4a(8a3b) (4x7y)(9x) 6 1 (ab32ab)ab3 2x(x3)x(4x1)x(4x2) 5 6 (4x5)(x6) (x3y)(xy) (x2y)(x2xyy2) (mn)(2mn) (2a2)2 (2a2b)(3ab) (4x25)(4x9) (x2x3)(2x1) (x4)(x1) (x5)(x5) (y2)(y2) (y2)(y2) (x3)(3x5) 2a(5a4b) (4x8y)(5x) 7 1 (ab22ab)ab3 x(4x2)3x(3x1)2x(3x1) 6 7