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)
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