人教版初二数学上册多项式乘多项式练习题精选83.docx

1、人教版初二数学上册多项式乘多项式练习题精选83 (x2)(4x1) (x7y)(4xy) (xy)(x2xyy2) (4m8n)(2mn) (2a2)2 (a9b)(2ab) (x22)(2x1) (x23x3)(x3) (x3)(x3) (x4)(x5) (y1)(y2) (y4)(y3) (x3)(2x5) 6a(9a8b) (3x9y)(7x) 4 1 (ab32ab)ab3 x(2x1)4x(2x4)x(x1) 5 4 (4x2)(3x5) (xy)(x3y) (x2y)(x2xyy2) (3mn)(4m4n) (a3)2 (ab)(ab) (x22)(x4) (x22x1)(x1)

2、(x4)(x1) (x6)(x5) (y4)(y1) (y1)(y3) (4x2)(3x9) 9a(5a8b) (5x2y)(9x) 7 1 (ab25ab)ab3 2x(2x1)4x(x3)2x(3x1) 6 7 (x1)(3x9) (4x5y)(4xy) (xy)(x22xyy2) (4m9n)(2mn) (a1)2 (4a3b)(a8b) (x21)(2x3) (x22x2)(2x3) (x1)(x3) (x4)(x4) (y4)(y1) (y2)(y2) (3x4)(4x7) 8a(4a7b) (6x2y)(6x) 7 1 (ab26ab)ab 2x(3x1)x(4x1)x(4x2)

3、6 7 (4x3)(x7) (xy)(xy) (xy)(x22xyy2) (2mn)(4mn) (a4)2 (2a3b)(4ab) (x21)(4x2) (x2x1)(x2) (x3)(x2) (x3)(x6) (y4)(y1) (y4)(y1) (8x2)(3x4) 4a(8a2b) (4x2y)(7x) 4 1 (ab32ab)ab 4x(2x2)2x(2x4)2x(x3) 3 4 (x4)(4x7) (2xy)(x2y) (2x3y)(x23xyy2) (4m8n)(2m4n) (3a1)2 (ab)(3a6b) (3x23)(4x5) (3x22x3)(4x3) (x3)(x2) (x

4、4)(x6) (y1)(y3) (y2)(y3) (x3)(6x6) 5a(7a3b) (8x8y)(7x) 4 1 (ab23ab)ab 4x(x3)2x(x4)3x(x4) 3 4 (x8)(2x2) (x8y)(x8y) (3xy)(x22xyy2) (m9n)(m2n) (a3)2 (a5b)(a8b) (x24)(x2) (x2x1)(x1) (x3)(x1) (x1)(x5) (y2)(y3) (y2)(y2) (x3)(9x1) 8a(8a7b) (4x9y)(8x) 4 1 (ab32ab)ab2 x(2x4)2x(2x1)x(x1) 5 4 (4x5)(3x9) (3x9y)

5、(x5y) (2x2y)(x23xyy2) (2m3n)(3m5n) (4a4)2 (4a4b)(ab) (x25)(4x6) (x2x2)(2x1) (x1)(x3) (x2)(x6) (y2)(y2) (y2)(y3) (x4)(4x2) 7a(4a3b) (7x7y)(5x) 5 1 (ab26ab)ab3 x(3x1)x(x4)2x(3x2) 4 5 (x4)(x8) (x2y)(2xy) (2xy)(x23xyy2) (4mn)(mn) (2a4)2 (3a8b)(2a7b) (4x27)(4x9) (x24x2)(4x1) (x1)(x2) (x1)(x4) (y4)(y2) (y

6、2)(y2) (x4)(4x3) 7a(2a9b) (4x9y)(7x) 7 1 (ab34ab)ab 4x(x1)3x(3x2)4x(x2) 6 7 (2x2)(2x6) (xy)(x7y) (2x3y)(x22xyy2) (mn)(m4n) (4a2)2 (3ab)(2ab) (x28)(3x4) (x2x2)(4x1) (x3)(x3) (x3)(x3) (y4)(y1) (y1)(y1) (x2)(2x8) 2a(2a6b) (5x6y)(3x) 5 1 (ab26ab)ab 4x(4x2)2x(x2)4x(x2) 4 5 (2x6)(x7) (x9y)(2xy) (x2y)(x2xy

7、y2) (4mn)(4mn) (a3)2 (3ab)(ab) (x29)(3x2) (x22x3)(x2) (x4)(x3) (x4)(x3) (y2)(y2) (y4)(y3) (x2)(5x8) 5a(4a8b) (9x5y)(5x) 5 1 (ab36ab)ab2 4x(x4)x(x1)4x(4x1) 6 5 (x1)(2x4) (xy)(2x2y) (x3y)(x2xyy2) (m6n)(3m2n) (3a4)2 (a8b)(3ab) (3x21)(x6) (x23x3)(x1) (x4)(x1) (x4)(x5) (y1)(y1) (y3)(y3) (x3)(9x6) 3a(7a3b

8、) (5x3y)(8x) 3 1 (ab32ab)ab x(x3)x(2x2)x(x4) 4 3 (x9)(4x8) (xy)(x8y) (2xy)(x23xyy2) (mn)(mn) (a3)2 (a7b)(ab) (2x29)(2x5) (x2x2)(2x3) (x2)(x3) (x1)(x6) (y3)(y2) (y3)(y2) (9x4)(5x2) 3a(9a3b) (5x2y)(4x) 2 1 (ab36ab)ab x(x4)4x(4x4)x(4x1) 3 2 (x2)(x2) (x2y)(2x4y) (xy)(x22xyy2) (4m7n)(4m4n) (2a2)2 (4ab)(a

9、b) (4x25)(x3) (x2x1)(4x2) (x4)(x2) (x2)(x6) (y1)(y1) (y4)(y1) (x3)(5x5) 7a(3a4b) (6x4y)(5x) 6 1 (ab25ab)ab 4x(2x2)x(2x2)x(3x2) 5 6 (x5)(x7) (3x6y)(x4y) (3x3y)(x2xyy2) (m7n)(m4n) (a4)2 (3a6b)(3a8b) (x29)(x2) (3x24x2)(3x3) (x3)(x2) (x4)(x6) (y2)(y1) (y3)(y3) (5x4)(9x9) 2a(4a2b) (5x2y)(8x) 5 1 (ab35ab)ab2 3x(x4)x(x2)2x(x1) 6 5 (2x4)(3x4) (4x6y)(4xy) (3x2y)(x22xyy2) (2mn)(mn) (3a3)2 (ab)(ab) (3x21)(x9) (x22x1)(2x1) (x3)(x3) (x5)(x5) (y4)(y2) (y2)(y1) (3x2)(8x7) 7a(3a6b) (7x8y)(2x) 5 1 (ab33ab)ab x(3x1)3x(2x3)4x(3x3) 4 5