人教版初二数学上册幂的乘方练习题精选17.docx

1、人教版初二数学上册幂的乘方练习题精选17 1 1 1 ()4()9()3 s5s7 s8s 9 9 9 (9)(9)9(9)4 zz2 ss3 1 1 1 ()()3()6 xnx7n-1 yny7n+1 5 5 5 (102)7 (a2)5 (xm)8 (y4)8 (103)2 (y7)9 (bm)4 (a9)5a2 x5x9 yy2 c9c7 (7)6(7)2(7)8 xnx9n-1 x2mx3m+1 1 1 1 ()6()9()7 z3z y6y9 6 6 6 (7)(7)9(7)7 s3s8 b6b6 1 1 1 ()()4()9 yny6n-1 x2mx9m-1 8 8 8 (109

2、)3 (x3)3 (am)3 (a5)9 (108)2 (b7)9 (an)6 (a3)4a4 xx4 c3c6 z9z7 (3)2(3)3(3)2 xmx8m+1 xnx4n+1 1 1 1 ()()4()4 z5z c6c 7 7 7 (10)(10)5(10)4 ss3 zz7 1 1 1 ()()7()5 y5my2m+1 xnx6n+1 3 3 3 (102)3 (b3)8 (xn)6 (y5)9 (102)2 (y4)2 (ym)9 (a6)7a2 x9x8 x7x9 b4b5 (7)3(7)9(7)8 x6mx5m-1 xmx4m-1 1 1 1 ()6()6()8 a2a t7

3、t 2 2 2 (1)6(1)3(1)8 y9y8 t5t6 1 1 1 ()9()5()5 yny8n+1 xnx2n-1 2 2 2 (102)6 (b5)2 (ym)7 (x5)2 (104)6 (b2)7 (bm)5 (a6)9a3 x3x2 aa4 cc8 (6)9(6)5(6)6 x6mx6m-1 xnx9n-1 1 1 1 ()7()2()9 t8t b4b3 5 5 5 (2)7(2)6(2)4 x6x2 yy5 1 1 1 ()()3()5 yny8n+1 x5mx9m+1 6 6 6 (108)6 (x9)9 (xm)4 (x9)8 (106)9 (a2)7 (bm)4 (

4、a7)4a8 xx3 cc9 a6a4 (7)(7)9(7)6 x6nx4n-1 xnx9n+1 1 1 1 ()5()6()5 z4z t6t 2 2 2 (1)(1)6(1)9 yy8 xx4 1 1 1 ()()9()3 y2ny6n-1 x7mx5m+1 6 6 6 (104)5 (a2)4 (an)8 (b3)6 (102)3 (b3)8 (ym)5 (a6)3a4 x5x9 ss4 z9z3 (8)4(8)4(8)5 x4mx9m+1 x6mx8m-1 1 1 1 ()()3()3 x5x x7x8 3 3 3 (1)(1)2(1)8 aa6 t2t3 1 1 1 ()()9()9

5、 x2nx9n+1 y9my5m+1 5 5 5 (108)6 (y8)6 (bm)9 (b4)7 (103)9 (y2)8 (xm)5 (a5)9a5 x2x5 x2x7 c8c7 (2)(2)4(2)3 x7nx7n+1 xnx6n-1 1 1 1 ()()5()5 x8x c6c 7 7 7 (6)(6)5(6)2 xx8 t5t2 1 1 1 ()3()2()7 y6ny4n+1 ymy9m+1 8 8 8 (108)8 (y6)2 (yn)3 (b2)7 (102)2 (b4)8 (bn)3 (a8)3a9 xx4 z4z8 xx3 (10)(10)2(10)9 xnx9n+1 xn

6、x6n-1 1 1 1 ()()2()6 t7t3 a2a9 7 7 7 (3)6(3)6(3)6 zz5 b7b6 1 1 1 ()3()4()5 y9ny4n-1 y2ny9n+1 7 7 7 (102)2 (b5)9 (an)9 (y5)7 (106)7 (y6)7 (an)6 (a4)2a6 x9x2 cc9 bb7 (2)(2)4(2)7 x3nx3n+1 x7mx4m-1 1 1 1 ()()3()9 s3s2 c7c 3 3 3 (3)4(3)7(3)9 y7y2 bb9 1 1 1 ()()4()7 x4mx5m+1 yny8n-1 8 8 8 (103)5 (b4)7 (bn

7、)3 (x2)7 (108)6 (x5)8 (xn)2 (a2)8a9 xx8 yy2 x4x6 (6)(6)3(6)9 x6nx8n+1 x6mx8m-1 1 1 1 ()()5()6 c4c5 c4c7 8 8 8 (3)(3)2(3)9 xx3 b7b5 1 1 1 ()5()6()8 x4mx6m+1 xmx6m-1 2 2 2 (106)6 (y3)8 (xm)6 (a9)6 (106)2 (x4)4 (xm)4 (a9)3a3 xx4 cc7 yy9 (9)3(9)6(9)8 xnx2n+1 xnx5n-1 1 1 1 ()4()6()4 a7a6 a4a3 7 7 7 (2)7(

8、2)6(2)9 tt4 y6y8 1 1 1 ()2()4()7 x4nx9n+1 x6nx8n+1 6 6 6 (104)6 (b8)7 (xn)8 (x4)8 (104)3 (y4)6 (bm)3 (a5)9a8 x6x5 aa5 x2x4 (9)(9)8(9)7 xnx9n-1 xmx8m+1 1 1 1 ()7()8()3 x5x s2s8 4 4 4 (9)(9)5(9)6 t8t5 zz5 1 1 1 ()()4()9 xmx6m-1 y6my9m+1 6 6 6 (108)6 (y9)7 (xn)9 (a3)4 (109)3 (b6)5 (am)6 (a4)8a3 xx2 yy8

9、 a7a6 (7)9(7)7(7)5 x7nx7n+1 xmx2m+1 1 1 1 ()4()7()6 z6z3 y9y 9 9 9 (4)9(4)4(4)3 ss9 c5c7 1 1 1 ()7()2()3 x3mx4m+1 y9ny7n-1 5 5 5 (109)6 (x4)5 (ym)5 (a4)7 (107)5 (y5)9 (yn)8 (a4)6a4 xx2 yy4 tt7 (8)(8)4(8)5 xmx9m-1 x4mx6m-1 1 1 1 ()9()8()2 x8x5 a5a 5 5 5 (3)5(3)8(3)6 x9x8 z6z6 1 1 1 ()3()8()6 y7my6m-1

10、 ymy7m+1 6 6 6 (107)5 (y6)6 (an)4 (x8)8 (103)5 (x4)9 (xm)4 (a7)2a3 x8x3 ss4 t2t7 (5)(5)2(5)7 x8mx7m-1 x3nx2n+1 1 1 1 ()5()6()6 z3z t2t7 2 2 2 (2)8(2)3(2)2 z5z6 y5y2 1 1 1 ()4()3()3 ymy3m-1 y7ny4n+1 2 2 2 (105)8 (x2)2 (an)8 (a6)4 (109)7 (a6)2 (xm)9 (a4)5a9 x2x4 x9x8 b2b4 (3)5(3)8(3)2 x7nx7n-1 x5mx7m-

11、1 1 1 1 ()6()4()6 b8b6 z3z 8 8 8 (4)2(4)4(4)5 cc5 yy2 1 1 1 ()8()5()8 x4mx8m+1 yny7n+1 4 4 4 (104)2 (x4)8 (bm)6 (b8)8 (106)5 (y7)8 (an)6 (a3)3a8 xx8 y4y5 ss8 (2)(2)5(2)2 xnx5n+1 x7mx2m-1 1 1 1 ()()3()7 s7s5 z9z 6 6 6 (9)5(9)8(9)3 a4a6 y3y7 1 1 1 ()()5()5 xnx9n+1 y3my6m-1 7 7 7 (104)6 (y7)8 (bn)8 (y7

12、)9 (106)4 (y4)2 (an)7 (a7)4a6 x7x7 aa6 y9y7 (5)(5)2(5)9 xmx8m-1 x4nx3n-1 1 1 1 ()7()7()5 c7c x8x 5 5 5 (3)(3)7(3)4 y9y6 tt5 1 1 1 ()()3()8 yny8n-1 xmx9m-1 2 2 2 (103)8 (b7)2 (xn)4 (y3)2 (106)2 (a8)8 (bm)9 (a6)3a3 xx8 zz8 tt2 (10)7(10)7(10)6 xmx4m-1 xnx2n-1 1 1 1 ()()5()3 a6a2 x8x 5 5 5 (10)2(10)9(10)2 aa8 tt5 1 1 1 ()4()8()7 y5ny8n-1 ymy4m-1 6 6 6 (107)4 (x2)