1、人教版初二数学上册整式的乘法综合练习题精选6 (2x21)(x2) (2x2x2)(4x3) (x3)(x1) (x5)(x4) (y2)(y3) (y4)(y1) b3b2 27a6b5(3a2b4) (y)4(y)3 (72x8y8)(9x5y3) 16x6y78x5y5 (10108)(5103) 4a5b9c24a4b2 (63a2b63a)7a (32a536a232a)4a (48x3y330xy)6xy (6a)3 (4b)2 (6b)2 (xy4)3 (2x3)3 (xy)2 (3103)2 (2ab3)3 (108)6 (a9)7 (bn)8 (b5)8 (104)9 (x7
2、)8 (an)6 (a8)9a7 x2x4 ss2 tt6 (7)(7)7(7)3 x5nx5n+1 xnx7n+1 1 1 1 ()7()7()5 z5z8 z4z 9 9 9 (4)4(4)5(4)8 y5y5 c5c9 1 1 1 ()7()3()3 xmx7m+1 xnx8n-1 8 8 8 (x3)(9x3) 3a(2a2b) (3x2y)(2x) 2 1 (ab23ab)ab2 4x(x3)3x(x3)3x(x4) 3 2 (4x1)(3x4) (4xy)(x3y) (xy)(x22xyy2) (4xy)(xy) (2a4)2 (3ab)(4ab) (3x24)(2x3) (x23
3、x2)(x3) (x2)(x2) (x5)(x4) (y1)(y1) (y3)(y3) b7b2 6a5b4(2a4b2) (y)4(y)2 (36x7y7)(4x4y6) 32x3y98x2y3 (16104)(2103) 3a4b9c38a3b4 (12a2b18a)2a (24a642a242a)6a (6xy316x2y3)2xy (2a)3 (4b)3 (3b)2 (xy2)4 (2x4)2 (xy)2 (4104)2 (3ab3)3 (105)9 (a6)6 (an)3 (x3)9 (102)8 (y2)6 (am)2 (a4)3a4 x2x9 x9x2 cc3 (3)(3)4(3
4、)9 x7mx5m-1 x7nx8n-1 1 1 1 ()()2()6 b5b c2c3 8 8 8 (9)(9)4(9)4 ss6 a3a6 1 1 1 ()5()8()9 xmx9m-1 xnx8n+1 6 6 6 (7x2)(8x8) 3a(5a3b) (4x3y)(7x) 4 1 (ab25ab)ab x(x4)3x(3x1)2x(3x2) 5 4 (x5)(x3) (x4y)(2x2y) (3xy)(x2xyy2) (2xy)(4x3y) (a3)2 (3a9b)(4a8b) (3x27)(x4) (x2x1)(4x1) (x1)(x1) (x2)(x3) (y4)(y2) (y4)
5、(y2) x8x6 40a7b7(5a3b3) (xy)7(xy)4 (27x4y7)(9x2y5) 9x7y43x4y2 (12106)(6105) 7a5b6c42a2b5 (24a3b230a)6a (30a536a330a)6a (72xy227xy2)9xy (9a)3 (2b)3 (2b)2 (xy5)2 (4x3)2 (xy)4 (4103)2 (2ab2)3 (105)5 (a2)4 (bm)5 (y4)6 (102)2 (x2)6 (bm)7 (a6)9a9 x2x5 tt5 aa6 (4)9(4)6(4)3 x6nx2n-1 xnx5n+1 1 1 1 ()9()6()5
6、c7c9 y7y7 5 5 5 (4)(4)3(4)4 aa8 ss6 1 1 1 ()8()3()5 y3my9m+1 yny3n+1 2 2 2 (x3)(4x9) 6a(6a3b) (7x5y)(2x) 5 1 (ab24ab)ab3 4x(3x3)2x(x3)2x(4x3) 4 5 (4x2)(x3) (x5y)(xy) (3x2y)(x2xyy2) (4x8y)(x8y) (2a2)2 (a6b)(4a6b) (3x26)(x4) (x2x2)(x2) (x3)(x3) (x6)(x2) (y3)(y2) (y2)(y2) b8b4 40a5b9(8a3b2) (b)7(b)4 (3
7、6x8y9)(4x7y2) 10x5y92x4y2 (25104)(5103) 2a8b6c48a6b5 (21a3b14a)7a (24a421a26a)3a (10x2y28x3y)2xy (10a)2 (2b)2 (2b)3 (xy3)3 (4x3)2 (xy)9 (3104)2 (4ab2)2 (108)6 (y3)8 (am)3 (y3)5 (104)6 (y5)2 (bm)2 (a9)6a3 xx6 b4b2 a8a7 (8)(8)6(8)9 xmx8m+1 xnx8n+1 1 1 1 ()2()8()3 z7z s3s 9 9 9 (5)2(5)3(5)6 t6t9 b9b7 1
8、 1 1 ()()3()4 y8my9m+1 y3ny3n-1 9 9 9 (7x3)(5x1) 3a(9a5b) (9x2y)(8x) 5 1 (ab23ab)ab x(3x2)x(x3)2x(x3) 4 5 (4x2)(4x9) (2x9y)(3xy) (xy)(x23xyy2) (xy)(4x2y) (a2)2 (3a3b)(ab) (2x21)(x4) (3x23x3)(4x3) (x1)(x1) (x2)(x1) (y3)(y1) (y3)(y1) y4y2 64a7b9(8a5b6) (xy)8(xy)7 (10x3y3)(2x2y2) 35x8y97x2y4 (15107)(51
9、05) 3a5b6c42a4b2 (56a3b72a)8a (54a563a327a)9a (36xy42x2y3)6xy (3a)3 (4b)3 (3b)2 (xy5)2 (2x4)3 (ab)3 (2103)2 (3ab4)2 (109)2 (a6)2 (bm)5 (b7)5 (109)7 (a6)8 (ym)6 (a4)2a6 x6x8 y4y5 c7c9 (7)5(7)4(7)3 xmx9m+1 xmx7m-1 1 1 1 ()4()8()8 t6t9 y8y 3 3 3 (3)(3)5(3)6 tt7 tt9 1 1 1 ()3()2()4 xmx9m+1 yny7n-1 8 8 8
10、 (x3)(8x8) 2a(8a7b) (9x3y)(3x) 6 1 (ab25ab)ab x(x1)x(4x4)x(x2) 5 6 (x1)(3x9) (xy)(xy) (xy)(x2xyy2) (3xy)(2x9y) (4a2)2 (2a2b)(2ab) (x25)(x5) (x2x3)(3x2) (x4)(x2) (x5)(x3) (y1)(y1) (y2)(y2) a3a2 42a4b7(7a3b3) (x)5(x)4 (10x4y9)(2x3y6) 18x4y52x3y4 (24108)(6106) 7a9b7c42a3b5 (54a3b318a)9a (16a66a312a)2a
11、(36x2y12xy3)6xy (8a)2 (6b)3 (3b)2 (xy4)4 (2x2)3 (xy)7 (3104)2 (4ab2)2 (104)7 (a2)2 (xm)3 (y5)7 (109)8 (b8)7 (bn)8 (a3)2a4 xx6 a3a7 b4b9 (8)(8)6(8)9 x8mx9m-1 x6nx7n+1 1 1 1 ()()8()4 x4x9 x6x 8 8 8 (1)5(1)9(1)9 s2s5 s7s5 1 1 1 ()()7()5 y4ny4n-1 x5nx9n-1 2 2 2 (7x4)(2x6) 4a(8a3b) (4x4y)(9x) 6 1 (ab32ab)ab2 x(x1)2x(x2)x(2x1) 5 6 (x6)(2x9) (3xy)(2xy) (x2y)(x2xyy2) (3xy)(x6y) (a3)2 (3ab)(4a9b) (2x26)(4x4) (3x2x3)(x1) (x3)(x3) (x2)(x1) (y2)(y3) (y1)(y2) a6a3 21a6b8(3a4b6) (ab)3(ab)2 (25x7y3)(5x2y2) 42x4y37x3y2 (16106)(2102) 7a9b8c33a7b4 (54a2b12a)6a (24a516a316a)8a
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