人教版初二数学上册多项式乘多项式练习题精选3.docx

1、人教版初二数学上册多项式乘多项式练习题精选3 (x7)(2x2) (2x6y)(2xy) (x2y)(x2xyy2) (3mn)(4mn) (3a3)2 (3ab)(3ab) (x22)(x5) (3x2x1)(x3) (x1)(x3) (x5)(x1) (y4)(y1) (y3)(y3) (x4)(2x1) 9a(6a5b) (8x8y)(8x) 4 1 (ab34ab)ab2 4x(3x4)4x(3x1)3x(2x2) 3 4 (4x2)(x9) (2xy)(3x4y) (3xy)(x23xyy2) (2m8n)(mn) (2a3)2 (3a6b)(ab) (4x29)(x1) (2x2x

2、1)(x3) (x2)(x3) (x2)(x3) (y1)(y2) (y1)(y3) (x3)(7x9) 2a(2a4b) (6x5y)(6x) 5 1 (ab34ab)ab2 x(4x2)x(4x3)3x(x1) 4 5 (4x5)(x8) (xy)(3xy) (2x3y)(x2xyy2) (m7n)(mn) (4a1)2 (ab)(2a5b) (x24)(3x5) (x2x1)(2x2) (x3)(x2) (x6)(x5) (y1)(y3) (y1)(y3) (7x2)(7x8) 6a(5a2b) (5x5y)(8x) 3 1 (ab35ab)ab 4x(x3)x(x4)x(3x4) 4

3、3 (2x3)(x1) (3xy)(3xy) (x3y)(x2xyy2) (3mn)(2m5n) (3a4)2 (a6b)(2ab) (x29)(x3) (x2x3)(x3) (x4)(x3) (x6)(x1) (y3)(y2) (y2)(y2) (x3)(9x6) 6a(5a7b) (9x6y)(9x) 4 1 (ab22ab)ab x(3x4)4x(x1)x(2x1) 5 4 (4x4)(x9) (x4y)(x7y) (2x2y)(x2xyy2) (4m9n)(mn) (4a1)2 (4a4b)(4ab) (3x23)(3x2) (2x2x3)(x3) (x2)(x1) (x4)(x5)

4、(y2)(y3) (y4)(y3) (9x2)(2x1) 3a(6a9b) (9x7y)(3x) 4 1 (ab23ab)ab2 2x(x1)x(x3)2x(x4) 5 4 (4x2)(x3) (x6y)(xy) (2xy)(x23xyy2) (2m2n)(m6n) (a4)2 (a6b)(a4b) (3x23)(4x6) (3x2x2)(2x2) (x1)(x1) (x1)(x5) (y3)(y3) (y1)(y2) (x2)(4x9) 2a(9a8b) (7x5y)(9x) 4 1 (ab25ab)ab 3x(2x1)4x(4x3)x(3x3) 3 4 (2x9)(4x2) (x7y)(x

5、6y) (xy)(x2xyy2) (m3n)(m5n) (a1)2 (3ab)(a4b) (4x27)(x3) (3x22x1)(x3) (x3)(x2) (x5)(x2) (y3)(y2) (y3)(y1) (x2)(4x9) 9a(7a4b) (2x4y)(3x) 5 1 (ab33ab)ab2 2x(x3)x(x3)2x(x4) 6 5 (x7)(x2) (xy)(xy) (2xy)(x22xyy2) (m6n)(2m3n) (a4)2 (2ab)(a3b) (x24)(x2) (x2x2)(2x2) (x1)(x2) (x5)(x4) (y4)(y2) (y4)(y1) (2x4)(4

6、x3) 8a(6a4b) (7x6y)(6x) 4 1 (ab35ab)ab2 x(x4)x(x4)3x(x3) 3 4 (3x7)(x1) (2xy)(4xy) (xy)(x2xyy2) (m4n)(3mn) (a3)2 (ab)(2ab) (4x28)(x2) (x23x2)(4x3) (x1)(x3) (x3)(x4) (y1)(y3) (y3)(y1) (x4)(9x6) 9a(8a5b) (3x8y)(6x) 7 1 (ab23ab)ab 2x(2x1)x(2x3)3x(2x4) 6 7 (4x6)(x6) (3x7y)(x5y) (2x2y)(x2xyy2) (2m7n)(3m5n) (2a1)2 (a8b)(2a5b) (x27)(3x2) (2x22x1)(x1) (x4)(x1) (x2)(x4) (y4)(y3) (y3)(y3) (3x2)(3x4) 9a(2a2b) (6x5y)(7x) 3 1 (ab3