人教版初二数学上册多项式乘多项式练习题精选66.docx

1、人教版初二数学上册多项式乘多项式练习题精选66 (3x9)(2x3) (2xy)(xy) (xy)(x22xyy2) (m6n)(m7n) (4a3)2 (2a5b)(ab) (x26)(3x7) (3x2x1)(x3) (x2)(x1) (x1)(x2) (y2)(y2) (y2)(y3) (x3)(3x6) 7a(4a9b) (3x8y)(3x) 5 1 (ab22ab)ab x(3x4)x(4x1)3x(x4) 6 5 (x9)(x2) (x9y)(3xy) (2xy)(x22xyy2) (m3n)(m6n) (4a1)2 (a6b)(3ab) (x27)(x3) (2x24x2)(2x

2、2) (x3)(x3) (x5)(x5) (y2)(y3) (y1)(y3) (x2)(5x3) 6a(3a3b) (8x7y)(3x) 3 1 (ab36ab)ab3 4x(2x1)x(x4)2x(x2) 4 3 (x1)(2x2) (xy)(2xy) (x2y)(x2xyy2) (m3n)(4m4n) (a1)2 (3ab)(ab) (4x21)(x9) (3x23x3)(4x2) (x4)(x1) (x2)(x6) (y1)(y2) (y4)(y3) (5x2)(9x2) 4a(9a7b) (8x2y)(4x) 5 1 (ab23ab)ab 4x(4x2)4x(4x2)3x(2x1) 6

3、 5 (2x5)(x8) (x9y)(2x4y) (2xy)(x2xyy2) (3mn)(3m5n) (a1)2 (3a2b)(a3b) (x21)(x3) (x2x2)(x1) (x4)(x2) (x2)(x4) (y2)(y3) (y2)(y2) (x2)(8x4) 8a(9a5b) (8x8y)(4x) 4 1 (ab34ab)ab3 4x(x1)2x(3x2)x(4x3) 3 4 (x3)(2x1) (xy)(2xy) (3x2y)(x2xyy2) (mn)(3m2n) (3a3)2 (a8b)(4a8b) (x26)(4x7) (x2x2)(3x3) (x4)(x1) (x1)(x4

4、) (y1)(y3) (y2)(y2) (x2)(5x5) 5a(6a4b) (3x4y)(3x) 2 1 (ab33ab)ab3 2x(x2)x(x4)2x(x2) 3 2 (2x7)(3x3) (2xy)(xy) (xy)(x2xyy2) (2m3n)(3m9n) (4a1)2 (4a9b)(ab) (3x26)(2x9) (4x24x3)(x2) (x1)(x1) (x1)(x5) (y1)(y3) (y3)(y3) (x4)(8x9) 9a(6a2b) (4x4y)(2x) 4 1 (ab24ab)ab2 x(3x1)2x(3x4)x(3x2) 3 4 (4x6)(x7) (4xy)(

5、x6y) (x3y)(x2xyy2) (3mn)(4mn) (4a3)2 (a8b)(2a5b) (4x21)(2x8) (x24x2)(2x3) (x3)(x1) (x2)(x3) (y2)(y2) (y4)(y3) (x2)(9x5) 9a(9a7b) (3x7y)(8x) 4 1 (ab34ab)ab x(4x3)4x(x1)3x(3x2) 3 4 (4x6)(4x8) (3xy)(4x7y) (3xy)(x23xyy2) (3m7n)(mn) (4a4)2 (2ab)(2ab) (4x24)(4x1) (x24x3)(2x1) (x2)(x1) (x4)(x4) (y3)(y2) (y

6、2)(y3) (x2)(7x2) 2a(9a9b) (9x5y)(5x) 5 1 (ab24ab)ab2 x(2x1)x(x3)4x(2x1) 6 5 (x4)(x1) (x4y)(3x5y) (x2y)(x22xyy2) (mn)(mn) (a2)2 (3ab)(2ab) (x22)(x5) (2x22x3)(2x3) (x3)(x2) (x4)(x4) (y2)(y1) (y4)(y1) (2x4)(7x8) 3a(3a4b) (4x9y)(4x) 7 1 (ab23ab)ab3 x(x1)x(x2)3x(x1) 6 7 (3x3)(4x5) (3xy)(4x6y) (xy)(x2xyy2

7、) (mn)(m8n) (4a4)2 (4a2b)(ab) (x28)(3x4) (x2x2)(2x1) (x4)(x1) (x5)(x6) (y3)(y2) (y4)(y2) (x2)(4x7) 5a(9a6b) (4x3y)(5x) 6 1 (ab33ab)ab2 3x(4x3)3x(4x1)x(x2) 5 6 (x6)(4x9) (4xy)(3x8y) (2x3y)(x23xyy2) (3m7n)(3m7n) (2a2)2 (3ab)(2ab) (4x26)(x8) (4x24x3)(x1) (x2)(x3) (x6)(x6) (y1)(y1) (y2)(y1) (8x4)(2x5) 7

8、a(2a3b) (5x6y)(4x) 6 1 (ab35ab)ab3 4x(3x3)x(4x4)4x(2x3) 5 6 (2x1)(x4) (3xy)(x5y) (3xy)(x22xyy2) (4mn)(2mn) (2a4)2 (3ab)(ab) (4x29)(3x2) (3x22x3)(x1) (x3)(x2) (x5)(x1) (y3)(y3) (y4)(y3) (4x4)(8x1) 7a(8a4b) (7x7y)(2x) 6 1 (ab35ab)ab 3x(x2)x(x2)4x(3x1) 5 6 (x6)(2x9) (x8y)(4x2y) (xy)(x23xyy2) (mn)(m7n)

9、(3a3)2 (a6b)(2a3b) (x24)(4x4) (2x2x3)(4x2) (x3)(x1) (x3)(x1) (y1)(y1) (y4)(y1) (6x2)(6x8) 4a(5a2b) (4x7y)(2x) 4 1 (ab34ab)ab2 x(x4)2x(x4)x(x4) 5 4 (x6)(2x7) (x9y)(xy) (x2y)(x23xyy2) (m8n)(mn) (2a4)2 (4a5b)(ab) (4x27)(3x9) (x24x1)(x1) (x1)(x3) (x1)(x5) (y1)(y2) (y2)(y1) (x3)(6x1) 2a(5a7b) (4x7y)(5x) 7 1 (ab34ab)ab2 x(4x4)x(3x4)x(x2) 6 7 (x3)(x9) (2xy)(2x5y) (2x3y)(x22xyy2) (4mn)(4mn) (a3)2 (ab)(4a5b) (x26)(3x6) (x2x2)(x3) (x4)(x3) (x3)(x1) (y3)(y2) (y1)(y2) (2x3)(4x5) 6a(5a6b) (7x6y)(8x) 5 1 (ab25ab)ab2 3x(3x3)x(3x4)2x(x2) 4 5