人教版初二数学上册多项式乘多项式练习题精选67.docx

1、人教版初二数学上册多项式乘多项式练习题精选67 (x7)(x6) (x2y)(2x7y) (x3y)(x2xyy2) (3m7n)(3m4n) (a1)2 (a4b)(a7b) (x22)(2x5) (2x23x3)(x1) (x4)(x2) (x2)(x3) (y3)(y3) (y2)(y1) (6x3)(5x6) 7a(5a2b) (5x3y)(5x) 5 1 (ab33ab)ab2 3x(3x3)x(3x1)3x(2x4) 6 5 (3x8)(2x7) (x7y)(xy) (xy)(x22xyy2) (3m3n)(3m2n) (a3)2 (a5b)(3a3b) (x25)(2x7) (x

2、24x2)(x2) (x1)(x2) (x6)(x2) (y2)(y2) (y2)(y3) (x4)(2x4) 9a(2a2b) (5x3y)(7x) 5 1 (ab33ab)ab 4x(3x1)4x(2x3)x(x4) 4 5 (x2)(x2) (4x3y)(x2y) (2x2y)(x23xyy2) (4m3n)(2mn) (a1)2 (4ab)(2a3b) (x26)(x1) (x24x3)(2x1) (x2)(x3) (x1)(x5) (y3)(y1) (y4)(y1) (8x2)(7x1) 8a(8a9b) (6x8y)(7x) 4 1 (ab23ab)ab x(4x2)4x(x4)x

3、(x3) 3 4 (4x5)(2x2) (3xy)(xy) (2xy)(x2xyy2) (mn)(m2n) (2a4)2 (2a3b)(ab) (x28)(4x2) (4x22x3)(x2) (x3)(x3) (x5)(x4) (y1)(y3) (y1)(y1) (x3)(2x5) 7a(5a6b) (2x3y)(2x) 3 1 (ab32ab)ab x(x2)2x(4x1)x(x3) 4 3 (x6)(x2) (4xy)(x2y) (3x2y)(x23xyy2) (3mn)(m2n) (4a4)2 (a2b)(a4b) (2x26)(x2) (x24x2)(x1) (x1)(x1) (x6)

4、(x2) (y1)(y2) (y1)(y2) (5x2)(7x2) 2a(9a2b) (8x9y)(7x) 4 1 (ab33ab)ab x(2x2)2x(x1)x(x4) 5 4 (2x5)(x2) (4xy)(x6y) (3xy)(x2xyy2) (3mn)(mn) (a4)2 (a7b)(a4b) (x24)(x6) (x22x1)(4x1) (x4)(x1) (x3)(x6) (y2)(y1) (y2)(y2) (2x3)(2x4) 4a(9a7b) (2x5y)(4x) 5 1 (ab34ab)ab2 x(x1)x(x3)3x(x2) 4 5 (x6)(3x2) (3x9y)(x6y

5、) (2x3y)(x23xyy2) (3m7n)(3mn) (3a2)2 (a2b)(3a8b) (x24)(4x9) (3x2x1)(x3) (x4)(x1) (x2)(x2) (y4)(y3) (y3)(y3) (7x3)(4x8) 2a(8a3b) (4x9y)(9x) 3 1 (ab33ab)ab2 x(4x4)x(x2)x(x4) 4 3 (2x5)(3x9) (2xy)(2x5y) (3x2y)(x22xyy2) (4mn)(m8n) (3a2)2 (ab)(4ab) (3x25)(3x1) (3x2x1)(x3) (x3)(x3) (x2)(x5) (y3)(y1) (y4)(y

6、3) (6x3)(9x1) 4a(5a7b) (4x3y)(9x) 6 1 (ab24ab)ab3 x(x3)x(x1)4x(2x4) 5 6 (x2)(3x8) (2xy)(3x8y) (2xy)(x2xyy2) (m8n)(mn) (a3)2 (4ab)(4ab) (x25)(2x9) (x22x2)(4x1) (x4)(x2) (x2)(x3) (y2)(y3) (y1)(y2) (4x4)(8x9) 5a(8a7b) (8x9y)(8x) 4 1 (ab24ab)ab x(2x4)3x(x1)3x(x2) 3 4 (3x9)(3x9) (x9y)(xy) (2xy)(x23xyy2)

7、(m8n)(2m8n) (a1)2 (3ab)(4a6b) (x27)(4x6) (2x2x3)(x3) (x4)(x3) (x2)(x5) (y3)(y1) (y2)(y2) (7x4)(6x9) 8a(3a4b) (2x9y)(9x) 5 1 (ab25ab)ab2 x(4x4)x(x1)2x(x2) 4 5 (x7)(4x5) (3x9y)(xy) (xy)(x22xyy2) (mn)(4mn) (a3)2 (ab)(a6b) (4x26)(x2) (x2x2)(x3) (x1)(x3) (x2)(x1) (y4)(y1) (y4)(y2) (x4)(4x5) 3a(4a5b) (8x5

8、y)(5x) 5 1 (ab33ab)ab x(2x2)x(x1)x(x1) 4 5 (x6)(4x1) (x9y)(x8y) (2x3y)(x23xyy2) (mn)(m6n) (3a4)2 (ab)(4ab) (x25)(x9) (x2x1)(x2) (x4)(x1) (x3)(x2) (y3)(y3) (y3)(y3) (x2)(4x8) 7a(8a9b) (3x3y)(9x) 4 1 (ab22ab)ab 2x(4x1)2x(x4)3x(4x4) 3 4 (x3)(x5) (xy)(3x2y) (x3y)(x22xyy2) (4mn)(2mn) (4a4)2 (a2b)(ab) (x2

9、3)(x4) (4x2x2)(x1) (x3)(x2) (x1)(x1) (y3)(y2) (y3)(y2) (x2)(7x4) 5a(7a3b) (2x6y)(8x) 7 1 (ab32ab)ab2 x(x4)2x(x1)4x(x1) 6 7 (x5)(x1) (x7y)(2x4y) (3x3y)(x2xyy2) (m9n)(2mn) (2a1)2 (a8b)(ab) (x25)(x8) (x2x2)(x3) (x4)(x2) (x6)(x1) (y1)(y3) (y4)(y2) (3x4)(8x4) 5a(7a6b) (6x4y)(6x) 5 1 (ab35ab)ab2 2x(2x4)x(3x3)x(3x3) 4 5 (3x7)(x6) (x8y)(4x4y) (x3y)(x23xyy2) (3m9n)(3mn) (4a1)2 (3a2b)(a8b) (2x23)(2x7) (x2x1)(3x3) (x4)(x2) (x4)(x5) (y3)(y3) (y3)(y1) (5x4)(5x2) 4a(7a8b) (5x3y)(8x) 5 1 (ab34ab)ab3 4x(x3)x(2x3)x(2x4) 6 5