1、人教版初二数学上册多项式乘多项式练习题精选10 (3x2)(2x6) (3x6y)(x7y) (2x3y)(x2xyy2) (3mn)(mn) (a4)2 (a5b)(2ab) (x23)(x4) (4x2x2)(x1) (x1)(x1) (x2)(x2) (y1)(y3) (y1)(y3) (4x2)(2x9) 8a(2a5b) (4x4y)(2x) 3 1 (ab25ab)ab 4x(x1)x(x2)3x(x2) 4 3 (x5)(x8) (x7y)(3xy) (2xy)(x22xyy2) (mn)(3mn) (3a3)2 (3ab)(3a8b) (2x26)(x3) (x2x2)(x1)
2、 (x1)(x1) (x2)(x3) (y2)(y3) (y4)(y3) (x3)(8x6) 2a(7a8b) (8x7y)(5x) 5 1 (ab26ab)ab2 4x(3x1)x(4x3)2x(x4) 6 5 (x8)(3x5) (4x5y)(xy) (x3y)(x23xyy2) (2m6n)(mn) (a1)2 (a5b)(3a6b) (x26)(4x8) (2x2x2)(3x1) (x2)(x3) (x5)(x3) (y3)(y1) (y3)(y1) (6x4)(3x4) 3a(2a3b) (9x5y)(9x) 5 1 (ab22ab)ab3 4x(x3)3x(x3)2x(3x1) 4
3、 5 (4x3)(x3) (3xy)(2x2y) (2x3y)(x2xyy2) (m7n)(m9n) (3a4)2 (4a7b)(ab) (x28)(4x9) (2x24x1)(2x1) (x1)(x3) (x1)(x1) (y1)(y1) (y1)(y2) (x4)(7x2) 8a(6a2b) (7x9y)(6x) 6 1 (ab35ab)ab x(x3)x(x1)x(2x2) 5 6 (x5)(3x3) (xy)(2x5y) (x3y)(x22xyy2) (mn)(3m4n) (a3)2 (4ab)(4ab) (x28)(x2) (x2x3)(x3) (x4)(x3) (x3)(x1) (
4、y4)(y1) (y2)(y3) (x2)(9x1) 7a(4a5b) (2x3y)(8x) 5 1 (ab35ab)ab 4x(2x3)2x(4x2)x(x1) 4 5 (x8)(3x2) (2xy)(x5y) (2x3y)(x2xyy2) (2m9n)(m7n) (3a2)2 (ab)(2a7b) (2x22)(2x3) (x22x3)(x2) (x2)(x2) (x4)(x1) (y4)(y3) (y3)(y1) (x4)(2x4) 6a(3a4b) (4x8y)(9x) 5 1 (ab33ab)ab3 x(x1)x(x3)x(3x2) 4 5 (x2)(x2) (4xy)(xy) (x
5、3y)(x2xyy2) (mn)(3m8n) (a4)2 (3a4b)(2a6b) (3x21)(4x8) (x2x2)(x3) (x1)(x2) (x4)(x6) (y1)(y2) (y3)(y2) (x4)(3x9) 9a(2a8b) (4x8y)(8x) 5 1 (ab34ab)ab x(3x1)x(x1)2x(x3) 6 5 (4x8)(x1) (3xy)(xy) (xy)(x22xyy2) (mn)(2m2n) (2a1)2 (a3b)(4ab) (x26)(x9) (4x24x1)(x3) (x1)(x1) (x4)(x6) (y2)(y3) (y1)(y2) (4x3)(9x7)
6、 7a(5a5b) (3x9y)(7x) 5 1 (ab23ab)ab 2x(x2)2x(2x3)x(4x4) 4 5 (x9)(x2) (x9y)(4xy) (x2y)(x2xyy2) (m8n)(2mn) (2a2)2 (4a7b)(2a2b) (3x22)(x9) (2x23x3)(x1) (x3)(x1) (x2)(x5) (y3)(y3) (y1)(y3) (x4)(5x6) 4a(5a9b) (5x9y)(9x) 2 1 (ab34ab)ab x(4x2)x(x2)x(4x1) 3 2 (4x2)(4x4) (2x4y)(4xy) (3xy)(x22xyy2) (2mn)(4m6n
7、) (4a1)2 (ab)(ab) (x28)(3x3) (2x22x2)(3x2) (x3)(x2) (x1)(x1) (y1)(y2) (y3)(y2) (x3)(8x5) 5a(4a4b) (4x7y)(8x) 7 1 (ab26ab)ab3 4x(3x1)4x(x4)3x(2x4) 6 7 (4x5)(2x8) (2x7y)(4x9y) (3xy)(x2xyy2) (3mn)(4mn) (4a4)2 (4a5b)(3ab) (4x29)(x4) (3x2x1)(x1) (x2)(x1) (x3)(x1) (y4)(y2) (y3)(y2) (2x4)(7x4) 5a(4a8b) (9x
8、9y)(3x) 5 1 (ab35ab)ab 3x(4x3)4x(2x1)x(3x4) 4 5 (2x3)(x6) (2x4y)(4xy) (xy)(x23xyy2) (2m3n)(2m4n) (2a4)2 (a3b)(a6b) (2x29)(2x4) (3x22x3)(4x3) (x2)(x1) (x3)(x6) (y1)(y2) (y1)(y1) (3x4)(2x7) 9a(6a5b) (2x7y)(6x) 6 1 (ab36ab)ab3 x(x1)3x(3x3)3x(x2) 5 6 (4x1)(x2) (x8y)(xy) (2x2y)(x2xyy2) (2m6n)(m7n) (a2)2
9、(ab)(2a8b) (x27)(4x4) (2x22x1)(2x3) (x3)(x1) (x4)(x2) (y3)(y3) (y1)(y2) (x4)(8x6) 2a(3a8b) (7x4y)(4x) 7 1 (ab22ab)ab3 4x(x4)x(4x4)3x(3x4) 6 7 (x7)(x7) (x9y)(4x4y) (2xy)(x2xyy2) (m4n)(4m3n) (a3)2 (4ab)(ab) (x26)(4x7) (x24x1)(3x1) (x3)(x2) (x4)(x4) (y2)(y2) (y4)(y3) (8x3)(6x1) 3a(5a9b) (4x5y)(9x) 5 1 (ab26ab)ab 3x(4x4)x(3x4)3x(x2) 6 5 (x1)(x5) (x4y)(4xy) (2x2y)(x2xyy2) (mn)(m2n) (a2)2 (2a3b)(4ab) (x23)(4x7) (x24x1)(x3) (x4)(x3) (x1)(x4) (y3)(y2) (y3)(y3) (x2)(8x2) 9a(5a9b) (4x4y)(6x) 4 1 (ab32ab)ab3 x(x4)x(2x1)4x(x2) 3 4