1、人教版初二数学上册多项式乘多项式练习题精选68 (x6)(x7) (x9y)(x8y) (3x2y)(x2xyy2) (mn)(m7n) (a2)2 (2ab)(a8b) (x23)(4x1) (x2x2)(x1) (x2)(x2) (x2)(x1) (y1)(y1) (y1)(y1) (x3)(2x5) 2a(7a8b) (5x3y)(4x) 5 1 (ab26ab)ab 3x(x2)2x(x2)2x(x1) 4 5 (2x3)(4x3) (4xy)(2x5y) (3x3y)(x23xyy2) (m2n)(mn) (a3)2 (ab)(2ab) (x29)(3x6) (4x23x1)(4x1
2、) (x3)(x3) (x6)(x1) (y3)(y2) (y3)(y1) (2x3)(8x6) 3a(2a5b) (2x6y)(6x) 4 1 (ab22ab)ab x(x2)3x(3x4)x(3x2) 3 4 (3x3)(x4) (2xy)(4xy) (x2y)(x2xyy2) (m5n)(mn) (3a3)2 (a9b)(3ab) (x21)(x1) (x24x2)(2x1) (x1)(x2) (x1)(x6) (y1)(y2) (y4)(y2) (6x2)(8x5) 3a(3a9b) (5x5y)(5x) 7 1 (ab33ab)ab x(x1)3x(x2)3x(x2) 6 7 (3x
3、6)(x4) (xy)(4x8y) (3xy)(x2xyy2) (3mn)(4mn) (a4)2 (2ab)(ab) (x24)(3x1) (2x2x3)(4x3) (x3)(x1) (x4)(x5) (y3)(y3) (y3)(y2) (5x3)(9x5) 5a(2a9b) (6x5y)(2x) 2 1 (ab34ab)ab3 x(x4)x(3x4)x(4x4) 3 2 (x5)(2x9) (2x6y)(4xy) (xy)(x2xyy2) (4m5n)(4m5n) (a1)2 (4a5b)(2a5b) (x28)(4x8) (x2x3)(3x3) (x4)(x2) (x2)(x4) (y4)
4、(y3) (y1)(y3) (2x3)(6x2) 2a(6a8b) (3x2y)(8x) 5 1 (ab25ab)ab 4x(x1)4x(x2)4x(x4) 6 5 (x4)(x1) (xy)(xy) (xy)(x23xyy2) (m3n)(mn) (a4)2 (2a6b)(3ab) (x27)(x4) (2x24x2)(3x1) (x3)(x3) (x2)(x6) (y4)(y1) (y1)(y2) (5x2)(2x1) 8a(9a4b) (6x8y)(8x) 5 1 (ab32ab)ab2 x(3x4)x(x4)x(4x3) 6 5 (2x3)(3x7) (3x2y)(x6y) (x3y)
5、(x23xyy2) (3mn)(2mn) (2a1)2 (a6b)(a5b) (x22)(x3) (x23x1)(x1) (x2)(x2) (x3)(x3) (y1)(y2) (y2)(y1) (9x3)(5x1) 6a(8a9b) (4x8y)(2x) 4 1 (ab33ab)ab2 3x(2x3)x(x2)4x(2x1) 3 4 (4x7)(x1) (2x4y)(x4y) (x3y)(x2xyy2) (3m2n)(mn) (3a3)2 (3a7b)(a8b) (x27)(3x8) (2x2x2)(x2) (x3)(x1) (x6)(x3) (y3)(y2) (y2)(y2) (4x3)(8
6、x1) 5a(4a4b) (5x3y)(4x) 4 1 (ab32ab)ab 4x(x3)3x(x3)x(4x4) 3 4 (3x9)(3x1) (x3y)(xy) (2xy)(x2xyy2) (4m7n)(m9n) (4a2)2 (ab)(4ab) (4x21)(4x7) (3x24x1)(4x3) (x4)(x2) (x5)(x5) (y1)(y1) (y2)(y3) (x3)(8x4) 4a(9a4b) (5x9y)(2x) 6 1 (ab23ab)ab3 3x(x4)x(3x4)x(2x1) 5 6 (2x9)(x3) (x6y)(xy) (3xy)(x23xyy2) (4m4n)(2
7、mn) (2a3)2 (3a9b)(2ab) (4x21)(4x1) (x2x3)(4x1) (x1)(x2) (x6)(x5) (y3)(y3) (y4)(y3) (3x4)(5x3) 5a(2a4b) (6x7y)(4x) 3 1 (ab36ab)ab 4x(4x2)x(4x4)x(2x4) 4 3 (2x7)(x7) (3xy)(x2y) (2xy)(x2xyy2) (3mn)(4m5n) (a2)2 (4ab)(ab) (x25)(2x2) (4x2x1)(2x2) (x4)(x1) (x5)(x1) (y4)(y3) (y3)(y1) (3x2)(6x5) 6a(7a4b) (9x7
8、y)(9x) 7 1 (ab26ab)ab 4x(x2)3x(4x2)x(x1) 6 7 (x8)(2x3) (xy)(2x9y) (x3y)(x2xyy2) (4m3n)(2mn) (2a2)2 (3a7b)(3ab) (x29)(3x1) (3x2x2)(x2) (x3)(x1) (x5)(x3) (y4)(y2) (y3)(y3) (x4)(8x8) 8a(4a4b) (5x4y)(5x) 5 1 (ab25ab)ab x(3x3)4x(3x1)x(x4) 6 5 (x2)(x5) (4x5y)(2xy) (2x3y)(x22xyy2) (2mn)(m8n) (a2)2 (4ab)(a2
9、b) (x21)(x6) (x2x3)(x3) (x2)(x2) (x6)(x5) (y2)(y3) (y2)(y1) (x4)(5x9) 7a(5a3b) (3x2y)(3x) 4 1 (ab32ab)ab2 x(4x2)x(3x3)x(2x4) 3 4 (x7)(x7) (x6y)(3x6y) (2x2y)(x22xyy2) (2m4n)(4m8n) (2a4)2 (4a8b)(2a9b) (4x28)(x3) (3x24x2)(2x1) (x3)(x3) (x5)(x6) (y2)(y2) (y4)(y1) (x3)(6x6) 8a(4a4b) (4x9y)(4x) 3 1 (ab25ab)ab2 3x(x2)x(x3)x(x3) 4 3 (2x9)(2x7) (2xy)(2xy) (3x2y)(x22xyy2) (m8n)(m6n) (2a3)2 (a5b)(a7b) (x27)(x3) (x2x1)(3x3) (x4)(x2) (x1)(x3) (y1)(y2) (y1)(y2) (7x2)(9x5) 3a(5a6b) (3x9y)(7x) 4 1 (ab22ab)ab2 2x(4x1)x(4x2)x(x4) 3 4
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