人教版初二数学上册整式的乘法综合练习题精选10.docx

1、人教版初二数学上册整式的乘法综合练习题精选10 (3xy)(x23xyy2) (2xy)(3xy) (a1)2 (3ab)(2a8b) (x29)(x2) (2x2x2)(3x3) (x4)(x1) (x5)(x2) (y4)(y1) (y4)(y2) b3b2 14a3b4(2a2b3) (x)3(x)2 (10x3y7)(2x2y5) 36x7y59x6y3 (6109)(2104) 4a9b9c42a5b3 (21a3b26a)3a (63a556a356a)7a (35x3y20xy2)5xy (7a)2 (5b)3 (6b)2 (xy2)3 (2x3)2 (ab)3 (2102)3

2、(2ab3)2 (105)4 (b3)9 (xm)8 (a2)2 (105)3 (y4)5 (am)3 (a4)6a2 xx8 x4x6 s5s5 (3)2(3)7(3)9 xmx6m-1 xmx9m+1 1 1 1 ()()9()9 t5t t5t6 4 4 4 (10)7(10)3(10)5 z2z8 c7c9 1 1 1 ()4()2()3 yny8n-1 x2mx3m-1 2 2 2 (x2)(4x6) 2a(8a4b) (3x6y)(2x) 2 1 (ab36ab)ab x(x4)3x(x3)x(3x2) 3 2 (x6)(4x7) (x9y)(xy) (xy)(x2xyy2) (x

3、y)(x5y) (2a1)2 (ab)(4ab) (2x25)(2x1) (x23x1)(x3) (x4)(x3) (x5)(x1) (y1)(y2) (y2)(y1) x3x2 15a3b4(3a2b2) (y)9(y)8 (24x8y8)(6x5y6) 24x8y83x5y3 (15106)(5103) 2a4b9c39a2b4 (9a3b224a)3a (4a412a24a)2a (4xy12xy)2xy (9a)2 (2b)2 (5b)3 (xy4)4 (2x2)3 (ab)6 (4102)2 (5ab3)3 (103)5 (a6)8 (bm)6 (x2)5 (103)8 (y8)9

4、(am)3 (a2)6a3 xx3 y6y7 b4b2 (8)(8)5(8)2 x7mx3m+1 xmx6m+1 1 1 1 ()8()3()4 x4x z6z 6 6 6 (8)(8)8(8)3 a6a9 b3b6 1 1 1 ()()2()2 y7ny6n-1 xmx8m+1 3 3 3 (5x3)(8x6) 6a(2a7b) (5x3y)(6x) 2 1 (ab25ab)ab3 3x(x3)2x(3x1)x(x1) 3 2 (x7)(2x9) (2x8y)(3xy) (3x3y)(x2xyy2) (2xy)(3x5y) (2a4)2 (3ab)(a9b) (3x21)(2x5) (3x2

5、x1)(3x3) (x3)(x1) (x4)(x6) (y3)(y2) (y1)(y3) y6y2 8a7b8(2a2b3) (ab)9(ab)7 (56x8y7)(7x6y4) 20x9y84x5y3 (16108)(2105) 9a9b3c38a4b2 (14a3b24a)2a (25a525a325a)5a (6xy6xy)2xy (6a)3 (4b)2 (4b)3 (xy5)3 (5x4)3 (xy)4 (4104)2 (5ab3)2 (105)9 (b6)4 (xn)5 (a2)6 (109)3 (y8)7 (bn)5 (a7)9a9 x9x7 t2t4 c6c3 (8)8(8)6(

6、8)6 xmx5m+1 xmx3m-1 1 1 1 ()4()2()8 c3c b3b2 4 4 4 (6)(6)9(6)8 zz9 x7x8 1 1 1 ()9()3()3 xnx6n+1 x8nx3n+1 9 9 9 (8x4)(8x1) 4a(7a4b) (4x9y)(3x) 4 1 (ab36ab)ab2 x(x4)x(x3)4x(4x2) 3 4 (x9)(2x6) (xy)(xy) (x2y)(x2xyy2) (3x3y)(4xy) (a1)2 (2a6b)(2a7b) (4x28)(x6) (2x24x2)(2x3) (x4)(x2) (x1)(x5) (y1)(y1) (y1)

7、(y2) x5x2 81a7b6(9a4b2) (b)4(b)3 (20x4y9)(4x3y7) 63x5y59x4y2 (56105)(8103) 5a6b8c25a5b3 (10a2b315a)5a (27a621a318a)3a (30x2y235xy2)5xy (5a)2 (3b)2 (6b)3 (xy4)4 (5x2)3 (ab)3 (4104)3 (4ab4)3 (106)8 (b7)7 (bn)5 (x2)7 (104)5 (y7)3 (am)6 (a6)4a4 x6x3 z9z7 x8x4 (1)8(1)6(1)6 xmx7m+1 x2mx6m+1 1 1 1 ()()6()8

8、 s5s x8x6 6 6 6 (4)(4)5(4)5 s2s7 tt7 1 1 1 ()()9()4 yny4n+1 x8mx8m-1 2 2 2 (x3)(7x1) 7a(3a4b) (4x2y)(2x) 3 1 (ab26ab)ab2 3x(4x1)x(x2)x(x1) 4 3 (x1)(x9) (2xy)(x5y) (2xy)(x2xyy2) (4x7y)(xy) (4a2)2 (4ab)(a5b) (3x27)(x5) (x2x1)(3x3) (x4)(x2) (x2)(x5) (y3)(y1) (y2)(y2) b3b2 9a6b9(3a2b7) (x)3(x)2 (40x3y6)

9、(8x2y5) 40x3y65x2y3 (10103)(2102) 7a6b6c28a4b5 (48a2b24a)8a (10a615a220a)5a (56xy48xy)8xy (2a)2 (3b)3 (2b)3 (xy4)2 (4x4)3 (ab)7 (3103)2 (3ab4)3 (109)2 (b2)7 (xm)2 (b9)4 (107)2 (x3)9 (bm)2 (a9)5a8 xx5 xx9 xx5 (5)3(5)9(5)6 xmx4m+1 xnx5n-1 1 1 1 ()4()7()5 t2t a5a2 5 5 5 (9)(9)9(9)2 a5a9 t8t4 1 1 1 ()()

10、9()4 y4ny9n+1 ymy5m-1 9 9 9 (9x3)(2x6) 4a(4a5b) (4x8y)(9x) 2 1 (ab33ab)ab x(x2)4x(x4)x(x2) 3 2 (x6)(4x2) (xy)(3xy) (2xy)(x2xyy2) (xy)(4x2y) (a1)2 (2ab)(a7b) (x23)(x6) (3x2x1)(x3) (x2)(x3) (x6)(x3) (y1)(y3) (y1)(y2) b8b5 40a3b4(5a2b2) (pq)6(pq)4 (28x5y4)(7x3y3) 6x9y92x8y6 (54106)(9104) 7a9b7c28a7b5 (

11、24a2b254a)6a (12a68a312a)2a (12x3y236x2y)6xy (3a)2 (6b)3 (4b)3 (xy3)2 (4x4)2 (xy)7 (4103)2 (3ab4)3 (106)3 (a5)4 (bn)8 (x4)2 (107)4 (x3)5 (xn)5 (a4)7a4 x8x5 b7b3 c5c2 (1)6(1)2(1)7 xmx6m+1 x6nx5n-1 1 1 1 ()()8()5 z2z z2z 9 9 9 (9)(9)5(9)5 t2t9 t9t9 1 1 1 ()8()6()4 xmx4m-1 ymy8m+1 5 5 5 (4x4)(3x2) 9a(6a7b) (9x4y)(4x) 6 1 (ab26ab)ab 4x(3x4)x(x4)4x(4x1) 5 6 (x7)(3x2) (xy)(3xy) (2xy)(x22xyy2) (3xy)(4xy) (a1)2 (ab)(ab) (x26)(x1) (3x2x2)(x2) (x1)(x2) (x3)(x5) (y1)(y2) (y1)(y2) a9a8 24a8b7(8a7b5) (x)5(x)2 (12x3y5)(2x2y2) 14x8y92x4y7 (4103)(2102)