1、人教版初二数学上册多项式乘多项式练习题精选75 (x7)(3x2) (2x6y)(4xy) (3xy)(x2xyy2) (m4n)(4mn) (4a2)2 (2ab)(a2b) (x25)(x7) (2x2x3)(4x2) (x4)(x3) (x4)(x4) (y2)(y2) (y2)(y3) (7x4)(9x2) 3a(2a7b) (4x7y)(6x) 7 1 (ab22ab)ab2 4x(2x1)3x(x4)3x(x1) 6 7 (2x6)(2x9) (xy)(x6y) (xy)(x23xyy2) (2m5n)(mn) (a3)2 (3a5b)(ab) (x29)(x5) (2x2x1)(
2、x3) (x2)(x3) (x4)(x2) (y1)(y3) (y4)(y1) (x4)(4x7) 8a(8a4b) (2x2y)(2x) 7 1 (ab36ab)ab3 x(x3)x(x4)2x(4x3) 6 7 (x6)(3x5) (2xy)(2xy) (x3y)(x22xyy2) (3mn)(3mn) (a3)2 (3a6b)(ab) (4x29)(x3) (4x22x3)(3x3) (x2)(x2) (x6)(x2) (y2)(y3) (y3)(y3) (x4)(8x2) 2a(2a7b) (3x6y)(3x) 6 1 (ab24ab)ab x(x2)3x(x2)x(x2) 5 6 (
3、3x8)(x8) (2x4y)(x5y) (2xy)(x2xyy2) (4mn)(m5n) (2a2)2 (a7b)(2ab) (x27)(x9) (2x23x1)(x2) (x1)(x2) (x5)(x2) (y1)(y3) (y3)(y1) (x3)(7x1) 7a(7a3b) (6x6y)(2x) 2 1 (ab24ab)ab x(x1)3x(4x3)4x(x4) 3 2 (4x7)(x5) (2xy)(x2y) (x2y)(x2xyy2) (m7n)(mn) (2a2)2 (2ab)(3a2b) (4x29)(x1) (3x2x1)(2x1) (x3)(x3) (x6)(x2) (y1
4、)(y3) (y3)(y2) (2x2)(5x4) 9a(4a9b) (2x9y)(4x) 3 1 (ab26ab)ab3 x(3x1)2x(3x2)4x(x4) 4 3 (2x7)(x3) (4xy)(2xy) (3xy)(x2xyy2) (mn)(mn) (a2)2 (2a8b)(ab) (2x21)(x8) (2x24x3)(x2) (x3)(x2) (x1)(x2) (y4)(y1) (y1)(y3) (9x2)(6x7) 5a(9a9b) (9x9y)(3x) 6 1 (ab32ab)ab x(x4)x(x2)x(x2) 5 6 (3x7)(2x6) (xy)(2x3y) (x3y)
5、(x2xyy2) (3m4n)(4mn) (a2)2 (2ab)(4ab) (x27)(4x5) (3x22x1)(4x1) (x2)(x3) (x4)(x4) (y2)(y3) (y1)(y2) (x4)(6x9) 2a(2a4b) (6x3y)(6x) 4 1 (ab33ab)ab2 x(2x2)x(x4)x(4x1) 3 4 (4x8)(2x9) (2x9y)(4xy) (2x2y)(x2xyy2) (mn)(2m8n) (a2)2 (2ab)(a8b) (4x29)(x1) (2x23x1)(x3) (x2)(x2) (x6)(x6) (y2)(y2) (y2)(y2) (x4)(4x
6、4) 6a(7a2b) (9x3y)(8x) 6 1 (ab25ab)ab2 x(x1)2x(4x2)4x(x2) 5 6 (3x2)(x5) (x4y)(x8y) (3xy)(x22xyy2) (3m3n)(4m5n) (2a2)2 (3a8b)(a4b) (2x28)(x4) (2x2x3)(2x1) (x3)(x3) (x3)(x1) (y4)(y1) (y2)(y1) (x2)(6x7) 3a(8a7b) (5x5y)(2x) 5 1 (ab22ab)ab x(x4)2x(x2)x(2x4) 4 5 (2x1)(x9) (4xy)(x9y) (x3y)(x2xyy2) (4mn)(2m
7、n) (a3)2 (ab)(ab) (4x24)(x5) (x2x1)(x1) (x4)(x3) (x1)(x4) (y3)(y3) (y3)(y3) (9x2)(2x7) 5a(2a8b) (9x7y)(6x) 2 1 (ab32ab)ab 3x(2x1)x(x2)3x(3x1) 3 2 (x2)(2x1) (2xy)(x2y) (3x3y)(x2xyy2) (3mn)(mn) (a2)2 (2ab)(3ab) (x25)(2x2) (4x22x1)(x1) (x2)(x3) (x1)(x4) (y1)(y3) (y2)(y3) (5x3)(4x7) 9a(4a2b) (5x4y)(5x)
8、4 1 (ab26ab)ab x(x1)2x(2x3)2x(x2) 5 4 (x9)(3x7) (x6y)(4xy) (x3y)(x2xyy2) (m2n)(mn) (a4)2 (4ab)(2ab) (x23)(3x7) (x24x3)(x3) (x1)(x3) (x2)(x6) (y2)(y2) (y1)(y3) (4x4)(4x5) 9a(8a4b) (7x3y)(4x) 6 1 (ab24ab)ab 4x(3x4)4x(x3)x(3x1) 5 6 (2x5)(2x9) (4xy)(2xy) (3xy)(x23xyy2) (mn)(m8n) (3a1)2 (2ab)(ab) (x22)(3
9、x7) (2x2x2)(x2) (x1)(x2) (x2)(x5) (y4)(y1) (y2)(y2) (5x4)(6x2) 7a(6a7b) (6x4y)(3x) 7 1 (ab22ab)ab 3x(2x4)3x(x3)2x(x1) 6 7 (4x7)(x6) (3x6y)(4x9y) (2xy)(x2xyy2) (mn)(mn) (a3)2 (ab)(2a4b) (4x26)(x3) (x2x2)(x2) (x3)(x1) (x2)(x4) (y2)(y2) (y1)(y2) (9x2)(9x1) 9a(3a3b) (9x2y)(8x) 4 1 (ab35ab)ab 3x(3x4)x(x1)x(x3) 3 4 (x8)(x5) (xy)(xy) (2xy)(x2xyy2) (mn)(2m5n) (2a1)2 (3ab)(ab) (3x24)(2x3) (3x2x3)(x3) (x3)(x1) (x1)(x5) (y2)(y2) (y4)(y2) (x2)(2x4) 5a(2a7b) (6x5y)(9x) 4 1 (ab25ab)ab2 x(x4)x(x1)x(4x2) 3 4
