人教版初二数学上册单项式乘单项式练习题精选30.docx

1、人教版初二数学上册单项式乘单项式练习题精选30 (102)5 (x3)7 (bm)3 (a4)2a5 x8x6 xx9 ss8 (9)4(9)2(9)6 xnx5n-1 xmx9m-1 1 1 1 ()2()6()6 c8c7 y3y 6 6 6 (8)7(8)4(8)9 x2x6 z2z7 1 1 1 ()7()7()7 x3nx5n-1 x6mx4m+1 6 6 6 (3103)(3108) (ab)(8a) (4x)2(4x3y5) 4x25x 8y(9x3y4) (4x)27x2 (3a)2(3a)3 6a4a 8y45y (2a)3 (5b)3 (4b)2 (xy4)4 (6x4)3

2、 (xy)4 (3102)2 (5ab3)3 (104)9 (y2)5 (an)2 (y7)6 (104)3 (y6)7 (yn)3 (a5)2a9 xx2 tt3 yy9 (8)4(8)4(8)8 xnx4n-1 xmx8m+1 1 1 1 ()()6()9 a3a2 z8z7 3 3 3 (1)4(1)4(1)9 bb5 y6y3 1 1 1 ()()7()9 ymy2m+1 x3nx6n-1 3 3 3 (7106)(6107) (ab)(6a) (3x)3(2x2y3) 6x26x4 2y4(7x3y2) (3x)23x2 (3a)3(4a)3 6a9a2 8y2y3 (7a)2 (2

3、b)2 (4b)2 (xy5)4 (4x2)2 (xy)3 (4104)2 (4ab2)3 (105)6 (x2)6 (ym)5 (x8)8 (109)9 (y7)8 (am)6 (a4)3a7 xx6 cc6 ss2 (4)7(4)5(4)5 x6nx4n+1 x3nx8n+1 1 1 1 ()4()2()8 s2s s5s2 8 8 8 (5)7(5)3(5)3 x4x5 bb4 1 1 1 ()3()9()8 yny3n-1 yny4n+1 6 6 6 (8103)(6102) (8a4b2)(2a2) (4x)3(3x3y3) 4x29x2 6y(8x3y) (3x)38x2 (3a)

4、3(2a)2 9a9a3 7y47y (9a)2 (3b)3 (4b)2 (xy5)3 (3x3)3 (xy)2 (3103)2 (5ab4)2 (105)7 (a3)2 (ym)4 (y3)3 (109)6 (y4)6 (am)7 (a3)7a2 x8x3 aa8 a3a5 (5)(5)9(5)7 xnx3n-1 x3nx5n+1 1 1 1 ()()6()5 z6z t5t7 2 2 2 (3)(3)7(3)3 cc6 a2a6 1 1 1 ()6()8()3 y9my2m-1 x9mx6m+1 9 9 9 (8103)(2108) (a3b2)(2a) (2x)2(3x4y2) 5x47

5、x4 2y2(2x2y) (4x)29x4 (4a)2(4a)3 2a7a3 5y5y (5a)2 (4b)3 (5b)3 (xy3)3 (4x3)2 (xy)9 (2102)3 (3ab3)2 (109)4 (x3)9 (ym)9 (a9)9 (102)4 (a2)3 (ym)4 (a8)8a7 xx3 tt2 cc4 (10)(10)4(10)3 xmx8m+1 xnx3n-1 1 1 1 ()()5()8 z4z a3a7 9 9 9 (9)6(9)6(9)2 a6a6 bb3 1 1 1 ()2()4()4 xmx2m+1 xmx4m-1 7 7 7 (8105)(2103) (2a2

6、b)(5a) (4x)3(4x3y5) 6x9x2 9y(7x3y) (2x)26x3 (2a)3(2a)2 3a48a3 2y43y (2a)3 (2b)3 (6b)2 (xy4)2 (6x3)3 (ab)9 (4103)2 (2ab3)2 (109)4 (x5)2 (yn)8 (b5)2 (103)2 (b8)6 (bn)8 (a6)3a3 x9x7 c9c2 xx3 (9)3(9)5(9)2 x4nx4n+1 xmx2m+1 1 1 1 ()7()2()8 z8z3 z4z 3 3 3 (2)(2)5(2)9 xx6 yy8 1 1 1 ()7()6()3 y6my4m+1 x8mx4m

7、+1 6 6 6 (2103)(5103) (a3b)(9a) (2x)2(4x2y5) 6x29x 3y(3x3y3) (4x)35x2 (3a)3(3a)2 7a35a4 8y27y (3a)3 (2b)3 (6b)2 (xy2)2 (5x4)2 (xy)7 (2103)3 (2ab3)3 (107)6 (x8)7 (bn)6 (y5)4 (102)5 (b8)4 (am)4 (a2)6a4 xx8 y7y2 tt3 (9)(9)6(9)5 xmx8m-1 x3nx6n+1 1 1 1 ()()7()3 y7y8 b6b6 8 8 8 (6)(6)8(6)8 zz2 a8a2 1 1 1

8、()()3()6 xmx5m-1 x5nx4n+1 5 5 5 (8105)(5106) (6ab3)(6a) (4x)2(4x2y4) 3x47x3 2y4(5x3y) (2x)32x3 (3a)2(2a)3 2a8a 6y34y (7a)3 (5b)2 (4b)2 (xy2)3 (4x4)3 (xy)9 (4102)3 (2ab3)2 (109)6 (b8)2 (xm)6 (y9)5 (103)7 (x8)4 (yn)2 (a2)8a8 xx2 a3a6 tt3 (3)2(3)3(3)5 xmx7m+1 x5mx2m-1 1 1 1 ()()5()4 y6y x5x 2 2 2 (8)4(

9、8)3(8)3 ss2 t5t9 1 1 1 ()4()2()5 xmx7m+1 x7mx6m+1 2 2 2 (8107)(5105) (5a4b3)(4a2) (2x)2(3x3y3) 9x4x4 7y3(9x3y) (4x)29x4 (2a)2(2a)3 6a43a2 3y6y (5a)2 (2b)3 (4b)3 (xy5)2 (3x3)3 (ab)6 (4102)2 (2ab3)2 (107)8 (y9)4 (an)7 (b7)8 (103)6 (b2)6 (xn)3 (a4)8a3 x8x2 z3z2 cc9 (10)(10)4(10)6 x7mx4m-1 xnx5n+1 1 1 1

10、 ()()4()2 c5c2 z6z 4 4 4 (5)(5)7(5)8 tt8 z2z7 1 1 1 ()3()6()8 y7my2m+1 yny2n-1 4 4 4 (8108)(2103) (6a3b3)(6a4) (3x)3(4x2y4) 6x6x3 8y3(6x2y) (4x)26x4 (4a)3(3a)2 7a33a 5y34y (5a)2 (5b)3 (4b)3 (xy3)3 (3x3)3 (ab)8 (4103)2 (3ab4)2 (106)6 (x7)8 (am)3 (y6)6 (102)9 (x2)5 (xm)9 (a8)2a8 x8x6 cc8 t2t4 (3)(3)8(

11、3)8 x4nx4n-1 xnx4n-1 1 1 1 ()()6()2 x2x y9y8 6 6 6 (7)8(7)7(7)2 c4c2 z8z5 1 1 1 ()()5()7 x3nx4n+1 ymy4m+1 6 6 6 (9103)(3104) (a3b3)(2a) (2x)2(3x4y3) 2x5x 4y2(3xy) (2x)34x3 (2a)2(3a)3 4a8a4 4y45y (4a)2 (3b)3 (3b)2 (xy5)3 (2x3)3 (ab)9 (4102)2 (2ab2)3 (102)7 (y4)4 (bm)4 (x3)8 (104)5 (x7)8 (xm)4 (a8)2a9

12、 xx7 z8z9 bb8 (7)2(7)8(7)5 x8nx7n+1 x5mx2m-1 1 1 1 ()5()5()8 x9x8 t6t3 8 8 8 (7)(7)6(7)5 zz4 tt4 1 1 1 ()4()5()3 x4nx4n+1 xnx4n-1 3 3 3 (2109)(9107) (2a2b2)(4a) (4x)2(2x2y5) 7x5x 4y(6xy) (3x)37x4 (3a)2(2a)2 8a35a2 6y38y4 (8a)3 (5b)3 (2b)3 (xy3)4 (6x2)2 (xy)5 (3104)2 (2ab3)3 (105)3 (x6)4 (am)3 (a7)9 (106)2 (y7)7 (ym)7 (a2)5a7 x9x2 cc8 s7s5 (7)9(7)3(7)9 x3mx6m+1 x2nx5n-1 1 1 1 ()9()8()3 z3z s3s6 2 2 2 (4)5(4)9(4)3 cc3 y5y7 1 1 1 ()8()3()3 x2nx7n+1 y8my7m+1 8 8 8 (6109)(