1、人教版初二数学上册整式的乘法综合练习题精选26 xx9 ss9 x6x4 (1)4(1)8(1)5 x3nx3n+1 x4nx5n+1 1 1 1 ()()3()5 y2y8 x6x 6 6 6 (1)(1)8(1)4 yy4 x4x7 1 1 1 ()4()3()6 y9my3m+1 y8my3m-1 2 2 2 (x3)(6x1) 7a(5a8b) (8x8y)(8x) 5 1 (ab24ab)ab x(x1)3x(x3)3x(2x3) 6 5 (x3)(x2) (x2y)(x2y) (xy)(x23xyy2) (x9y)(4xy) (a2)2 (4ab)(4ab) (4x21)(x4)
2、(2x24x2)(4x1) (x2)(x2) (x3)(x3) (y1)(y2) (y2)(y1) a5a3 16a6b3(8a5b2) (bc)8(bc)5 (36x7y8)(9x4y3) 63x6y57x3y2 (21108)(7105) 8a7b5c32a4b2 (72a2b27a)9a (8a510a24a)2a (14x3y49x3y3)7xy (8a)2 (4b)3 (5b)3 (xy4)3 (3x4)3 (ab)5 (2102)2 (5ab3)2 (105)2 (b2)9 (xm)4 (b3)6 (105)2 (b4)3 (xn)7 (a5)3a9 xx4 b4b9 zz6 (8
3、)7(8)8(8)6 x4nx6n-1 xmx9m+1 1 1 1 ()7()9()4 a8a9 a4a 6 6 6 (9)(9)6(9)5 b7b9 c8c5 1 1 1 ()9()2()9 ymy8m-1 y4my3m-1 7 7 7 (x2)(2x4) 6a(9a6b) (2x4y)(7x) 4 1 (ab26ab)ab x(x2)4x(x3)x(2x4) 5 4 (3x5)(3x2) (xy)(2xy) (2xy)(x23xyy2) (x8y)(4xy) (a1)2 (3ab)(4a6b) (4x26)(2x2) (3x23x2)(3x1) (x1)(x2) (x4)(x2) (y4)
4、(y3) (y1)(y3) y8y5 27a6b8(3a4b3) (b)7(b)4 (28x8y8)(7x4y6) 28x6y64x2y5 (27105)(3104) 7a6b4c37a3b3 (6a2b6a)3a (18a624a324a)3a (36x3y218xy2)6xy (4a)3 (2b)2 (5b)3 (xy4)3 (6x3)2 (ab)6 (2104)2 (3ab4)3 (104)4 (y2)8 (yn)3 (x2)9 (108)8 (x9)9 (bn)5 (a4)8a3 x6x4 t9t9 cc8 (10)(10)9(10)6 xnx6n-1 x3mx6m+1 1 1 1 (
5、)3()5()5 c8c4 c7c 6 6 6 (10)4(10)8(10)6 xx9 b7b9 1 1 1 ()4()2()8 ymy3m+1 y6my4m+1 2 2 2 (8x4)(9x1) 4a(3a9b) (3x3y)(7x) 4 1 (ab36ab)ab x(x3)2x(2x4)2x(x3) 3 4 (3x3)(4x2) (4x3y)(4x6y) (xy)(x2xyy2) (3x4y)(xy) (3a4)2 (ab)(3a8b) (4x25)(x1) (4x24x3)(4x1) (x1)(x2) (x4)(x2) (y4)(y2) (y1)(y1) x6x5 27a4b5(3a2b
6、4) (bc)5(bc)2 (48x4y4)(6x2y3) 40x3y45x2y2 (56104)(7103) 6a6b4c28a2b3 (24a2b36a)6a (9a515a315a)3a (21x2y49x2y)7xy (2a)2 (5b)3 (6b)2 (xy2)4 (4x2)2 (ab)8 (3102)3 (5ab4)2 (108)7 (y8)7 (bn)6 (a7)8 (106)6 (b4)2 (bn)4 (a5)6a4 x2x3 ss7 t5t2 (3)(3)7(3)3 x4nx4n+1 xmx7m-1 1 1 1 ()()5()9 a6a y3y5 8 8 8 (9)6(9)7
7、(9)9 b5b2 t5t7 1 1 1 ()()2()2 ymy4m+1 x3nx3n-1 2 2 2 (x3)(8x7) 2a(9a8b) (5x3y)(8x) 4 1 (ab36ab)ab x(3x1)x(x1)4x(x1) 3 4 (3x6)(x2) (2x8y)(4x6y) (xy)(x23xyy2) (xy)(xy) (a1)2 (3ab)(ab) (3x22)(x7) (x2x1)(4x2) (x3)(x2) (x4)(x3) (y3)(y3) (y1)(y2) b6b3 36a8b3(4a2b2) (xy)8(xy)4 (54x9y6)(6x4y3) 42x8y66x6y3 (
8、48107)(8104) 2a6b7c29a2b2 (8a2b216a)2a (63a654a372a)9a (36xy336xy2)6xy (8a)3 (2b)3 (6b)3 (xy5)4 (3x2)3 (ab)2 (2103)3 (2ab2)2 (108)3 (y7)5 (xn)6 (a9)6 (109)2 (a6)8 (bn)9 (a4)2a5 x5x6 xx7 bb5 (8)9(8)6(8)9 x9mx2m-1 xnx7n+1 1 1 1 ()5()4()3 a4a a9a 2 2 2 (3)2(3)9(3)7 a3a3 cc3 1 1 1 ()8()3()3 ymy8m-1 xmx3
9、m-1 3 3 3 (x4)(6x4) 9a(8a2b) (4x3y)(9x) 5 1 (ab36ab)ab2 4x(3x2)x(x1)3x(x3) 6 5 (3x6)(x4) (3xy)(4x7y) (3x2y)(x23xyy2) (2xy)(2x4y) (a1)2 (a2b)(ab) (x28)(2x8) (x2x1)(x1) (x1)(x3) (x3)(x4) (y2)(y1) (y3)(y1) x9x4 20a5b7(5a4b6) (a)6(a)2 (81x5y6)(9x3y5) 40x4y58x3y2 (18108)(6106) 5a6b3c32a3b2 (9a2b27a)3a (2
10、1a621a212a)3a (12xy316xy3)4xy (7a)3 (5b)2 (5b)2 (xy2)3 (4x3)2 (ab)5 (4103)3 (3ab2)3 (103)3 (y6)6 (am)3 (a2)2 (106)3 (x3)8 (ym)9 (a8)8a8 x2x4 zz9 ss5 (2)(2)8(2)4 x5mx4m+1 xnx3n-1 1 1 1 ()()3()8 t2t8 x6x 4 4 4 (1)(1)2(1)2 zz8 z9z3 1 1 1 ()()6()3 yny9n+1 x6mx9m+1 9 9 9 (5x3)(2x1) 4a(7a4b) (6x5y)(2x) 2
11、1 (ab35ab)ab 2x(x1)3x(x3)x(x4) 3 2 (2x8)(x4) (xy)(3xy) (2x2y)(x2xyy2) (4x9y)(x8y) (a1)2 (2a8b)(a8b) (3x26)(2x5) (x23x1)(2x1) (x4)(x1) (x4)(x3) (y2)(y3) (y3)(y3) y9y6 18a7b9(3a3b7) (ab)6(ab)2 (36x8y4)(9x3y3) 28x3y84x2y7 (18107)(9102) 6a7b7c45a3b2 (24a3b36a)3a (56a548a240a)8a (4x2y6x3y)2xy (5a)3 (3b)3 (5b)3 (xy4)4 (6x2)3 (xy)9 (2102)3 (4ab2)3 (106)7 (b6)4 (xn)8 (a2)5 (105)7 (b6)6 (xn)5 (a8)2a5 xx9 s7s6 y9y2 (9)5(9)5(9)2 x7mx4m-1 x2nx3n-1 1 1 1 ()()4()9 z9z x6x 2 2 2 (7)(7)6(7)9 y7y3 ss5 1 1 1 ()()5()9 yny9n+1 y2my6m+1 2 2 2 (9x3)(3x4) 3a(4a3b) (8x2y)(7x) 5 1 (ab35ab)ab2 3x(2x1)2x(3x1)2x(
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