人教版初二数学上册整式的乘法综合练习题精选14.docx

1、人教版初二数学上册整式的乘法综合练习题精选143 1 (ab24ab)ab2 x(4x3)x(x4)x(4x3) 4 3 (x9)(4x8) (2xy)(x9y) (xy)(x22xyy2) (4x7y)(3xy) (2a1)2 (a2b)(2a9b) (2x24)(x7) (4x23x2)(2x1) (x3)(x1) (x3)(x4) (y1)(y3) (y3)(y3) b7b3 24a8b4(6a3b2) (xy)9(xy)6 (56x9y3)(7x6y2) 54x9y99x2y6 (16106)(4102) 7a3b6c48a2b5 (45a3b320a)5a (30a418a236a)

2、6a (20xy20xy)4xy (9a)3 (5b)2 (4b)3 (xy4)3 (6x4)3 (ab)5 (4102)3 (4ab2)2 (109)2 (a9)5 (xn)8 (b3)2 (108)3 (a6)6 (ym)3 (a6)9a2 x2x7 t5t2 t8t5 (7)(7)4(7)4 xnx2n+1 x7mx9m-1 1 1 1 ()()8()9 t2t3 a6a 9 9 9 (2)2(2)6(2)2 y4y3 x2x5 1 1 1 ()()2()3 xnx9n-1 ymy4m-1 9 9 9 (x2)(5x9) 4a(4a8b) (6x2y)(8x) 4 1 (ab26ab)a

3、b 3x(2x2)x(3x4)x(x4) 3 4 (3x7)(x2) (x8y)(xy) (x3y)(x2xyy2) (xy)(xy) (3a2)2 (4ab)(ab) (2x21)(x6) (x22x2)(x1) (x2)(x3) (x2)(x4) (y1)(y3) (y1)(y2) b4b2 4a4b5(2a3b3) (bc)3(bc)2 (32x6y7)(4x3y6) 15x6y85x5y3 (36105)(6104) 4a3b4c49a2b2 (20a2b220a)4a (18a536a318a)6a (40x2y315x3y)5xy (2a)3 (5b)3 (5b)2 (xy2)2

4、(2x4)3 (ab)7 (2104)3 (4ab2)3 (109)6 (y8)2 (xn)6 (x8)8 (103)2 (x9)9 (xm)8 (a5)4a5 x6x6 s2s6 aa4 (3)8(3)5(3)5 x2nx6n-1 x6mx4m+1 1 1 1 ()()8()3 y7y9 b5b3 4 4 4 (3)2(3)7(3)5 s9s9 z2z5 1 1 1 ()()8()4 y2my8m-1 yny5n+1 8 8 8 (7x3)(8x2) 7a(2a7b) (9x6y)(3x) 2 1 (ab33ab)ab 2x(4x1)4x(3x4)3x(3x2) 3 2 (x4)(4x1)

5、(xy)(3x2y) (x2y)(x23xyy2) (4x9y)(4x5y) (3a4)2 (a2b)(4a8b) (x25)(3x4) (x22x1)(x1) (x1)(x3) (x2)(x4) (y4)(y1) (y4)(y2) a7a2 48a4b9(8a2b4) (xy)6(xy)2 (28x7y3)(4x4y2) 18x6y89x4y2 (18105)(2103) 7a4b4c22a2b3 (20a3b16a)4a (81a481a272a)9a (30x3y210xy)5xy (5a)2 (3b)3 (6b)2 (xy2)3 (5x3)2 (ab)9 (3102)2 (3ab4)3

6、 (107)4 (b7)3 (xm)9 (x3)3 (104)8 (a7)3 (bn)7 (a6)2a4 x6x4 c4c4 aa7 (10)9(10)2(10)3 xmx7m-1 xnx6n-1 1 1 1 ()()4()6 z5z3 y7y3 4 4 4 (1)5(1)8(1)6 ss5 a3a3 1 1 1 ()7()5()7 y3my3m+1 xnx4n+1 6 6 6 (2x3)(7x4) 5a(7a4b) (7x9y)(4x) 6 1 (ab33ab)ab 2x(x3)3x(4x4)x(x2) 5 6 (x8)(2x8) (x2y)(4x3y) (xy)(x22xyy2) (3x9

7、y)(x9y) (4a3)2 (a4b)(a5b) (2x21)(x7) (x2x2)(x3) (x4)(x2) (x6)(x4) (y4)(y3) (y4)(y3) b6b4 72a6b8(9a3b2) (bc)7(bc)2 (12x5y4)(3x4y2) 48x3y68x2y3 (10109)(2107) 6a3b4c28a2b2 (24a3b54a)6a (45a418a345a)9a (45xy15xy2)5xy (4a)2 (5b)2 (3b)2 (xy2)3 (4x4)3 (xy)7 (2103)3 (5ab4)2 (106)3 (x7)8 (bm)7 (y5)7 (109)2 (

8、x4)3 (xn)2 (a5)6a7 xx4 x4x2 bb6 (1)5(1)4(1)8 xnx5n+1 x3nx4n-1 1 1 1 ()7()4()5 z9z c9c2 5 5 5 (1)(1)2(1)6 x3x7 t4t9 1 1 1 ()3()4()7 x7mx4m-1 ymy8m+1 5 5 5 (x4)(9x4) 5a(2a8b) (4x8y)(2x) 2 1 (ab26ab)ab2 x(4x4)3x(x3)3x(x2) 3 2 (4x6)(2x6) (x6y)(3xy) (3xy)(x23xyy2) (2x7y)(x4y) (3a2)2 (a2b)(3ab) (x23)(4x2)

9、 (x2x3)(3x1) (x2)(x1) (x5)(x4) (y1)(y3) (y1)(y2) b7b2 25a9b4(5a3b3) (bc)7(bc)2 (18x8y6)(3x4y2) 16x7y64x4y3 (28105)(4103) 5a4b5c45a3b3 (6a3b6a)2a (36a536a228a)4a (28xy49x3y)7xy (6a)2 (2b)2 (2b)2 (xy3)2 (3x4)3 (xy)3 (3103)3 (2ab2)3 (108)2 (y6)7 (xm)4 (y7)5 (102)9 (a8)9 (yn)8 (a6)6a9 x5x3 xx9 cc9 (8)(8

10、)5(8)6 xmx5m-1 x4nx4n+1 1 1 1 ()3()5()6 t3t t8t3 3 3 3 (7)(7)6(7)8 aa5 c3c3 1 1 1 ()()9()2 xnx4n+1 x8nx4n+1 3 3 3 (4x2)(6x3) 7a(2a9b) (3x5y)(4x) 6 1 (ab23ab)ab 2x(2x2)3x(x1)x(x1) 5 6 (4x8)(2x2) (3x3y)(x3y) (xy)(x2xyy2) (2xy)(x4y) (a2)2 (4a6b)(3ab) (x23)(x4) (x2x3)(x1) (x2)(x2) (x3)(x1) (y2)(y2) (y3)

11、(y1) x7x3 40a4b4(8a3b2) (b)4(b)2 (27x3y9)(9x2y2) 18x7y76x5y5 (63105)(7104) 9a5b3c35a2b2 (24a2b364a)8a (18a514a34a)2a (10x2y30x3y2)5xy (10a)2 (4b)2 (5b)2 (xy3)4 (6x3)3 (ab)9 (3104)3 (5ab4)3 (109)9 (a9)5 (bm)5 (b3)8 (102)7 (y3)3 (bm)2 (a8)9a3 xx2 z2z5 t6t7 (4)(4)3(4)5 x4nx8n+1 xmx7m-1 1 1 1 ()()8()2 y6y2 c6c9 4 4 4 (5)(5)5(5)8 xx5 bb4 1 1 1 ()()5()6 ymy2m-1 x3mx2m+1 8 8 8 (4x3)(4x2) 9a(4a7b) (6x5y)(6x) 4 1 (ab23ab)ab 2x(4x2)x(3x4)3x(x3) 3 4 (4x5)(2x4) (x7y)(xy) (2x3y)(x2xyy2) (xy)(x7y) (4a3)2 (3a6b)(a6b) (4x25)(4x8) (x24x3)(3x1) (x3)(x1) (x6)(x3) (y1)(y3) (y2)(y2)