人教版初二数学上册幂的乘方练习题精选38.docx

1、人教版初二数学上册幂的乘方练习题精选38 1 1 1 ()5()8()2 c3c a8a8 5 5 5 (2)7(2)6(2)6 yy4 tt4 1 1 1 ()3()2()9 x7nx2n-1 xnx4n-1 7 7 7 (107)9 (y2)7 (bn)4 (a8)4 (108)3 (x9)9 (bm)2 (a6)4a5 xx6 aa2 bb7 (1)(1)4(1)6 x8nx5n-1 xmx7m-1 1 1 1 ()5()2()4 y4y9 y9y 5 5 5 (1)(1)2(1)3 cc7 c8c5 1 1 1 ()()2()2 xnx5n-1 x9nx9n+1 7 7 7 (104)

2、6 (a8)4 (xm)4 (x6)4 (105)8 (a7)9 (ym)2 (a6)9a5 xx4 xx2 cc6 (2)(2)8(2)6 x5nx5n-1 xmx2m-1 1 1 1 ()()8()2 s9s7 s8s 2 2 2 (10)2(10)5(10)5 tt2 yy5 1 1 1 ()9()9()2 x2nx9n+1 xnx6n-1 7 7 7 (106)8 (a9)9 (xm)2 (x2)4 (104)6 (y4)4 (an)6 (a3)8a4 x3x5 z8z2 ss6 (2)(2)3(2)9 x8mx9m-1 x9nx8n-1 1 1 1 ()()2()5 s4s b9b

3、8 8 8 (4)(4)2(4)8 zz2 xx9 1 1 1 ()()3()8 ymy6m-1 x6mx6m+1 4 4 4 (106)3 (a9)2 (bm)5 (a7)5 (106)3 (a6)8 (bm)4 (a2)3a7 xx2 y3y9 a7a5 (8)8(8)8(8)3 x6mx3m+1 xnx8n+1 1 1 1 ()3()5()6 a7a6 b3b9 7 7 7 (3)(3)9(3)5 xx3 y3y6 1 1 1 ()()2()4 x8mx2m+1 x7nx6n-1 2 2 2 (102)7 (a4)5 (yn)3 (x9)9 (109)2 (x5)5 (yn)5 (a7)

4、5a8 xx6 c8c7 ss7 (6)6(6)6(6)7 xmx3m-1 x6nx4n+1 1 1 1 ()9()4()4 t8t9 t6t3 2 2 2 (9)3(9)2(9)3 aa7 bb9 1 1 1 ()6()3()5 xmx6m-1 xmx8m+1 6 6 6 (102)5 (y9)6 (bm)9 (a5)7 (108)6 (a4)3 (xm)3 (a6)4a4 x3x2 tt8 cc8 (5)5(5)6(5)2 x5mx8m-1 xmx9m+1 1 1 1 ()()6()8 t5t8 y6y 4 4 4 (2)6(2)8(2)9 c5c3 b9b6 1 1 1 ()4()4()

5、3 ymy5m+1 y9my7m+1 9 9 9 (104)5 (a9)7 (yn)3 (x5)3 (105)7 (a2)5 (bm)5 (a9)2a5 x5x4 ss3 cc6 (4)5(4)6(4)5 xmx5m+1 x3mx7m-1 1 1 1 ()3()4()2 x6x t5t9 7 7 7 (1)5(1)5(1)9 ss5 y6y8 1 1 1 ()()7()5 yny2n-1 x4nx6n-1 2 2 2 (107)2 (y7)4 (xn)5 (y4)3 (103)9 (x5)2 (ym)7 (a9)2a5 xx4 xx9 y2y9 (6)(6)3(6)7 xnx4n-1 xmx9

6、m+1 1 1 1 ()4()3()6 s6s t8t 3 3 3 (3)(3)2(3)7 a2a5 zz7 1 1 1 ()()3()9 x8mx9m-1 xmx4m+1 2 2 2 (102)4 (a3)5 (bn)7 (b6)6 (109)3 (x3)6 (ym)8 (a3)6a7 xx7 cc8 ss9 (8)9(8)2(8)6 x8mx6m-1 x6nx6n+1 1 1 1 ()()9()9 c8c s4s 6 6 6 (7)9(7)7(7)2 aa7 y6y7 1 1 1 ()()7()4 xmx7m-1 x8nx7n-1 7 7 7 (105)2 (b5)8 (an)6 (a4)

7、2 (103)7 (b3)3 (bm)4 (a8)3a8 xx5 x2x7 c3c7 (8)(8)5(8)4 x4nx9n+1 xmx5m+1 1 1 1 ()()9()4 a7a x6x2 4 4 4 (8)(8)9(8)4 xx9 ss9 1 1 1 ()()6()7 yny6n-1 xnx3n+1 4 4 4 (108)5 (b7)5 (bm)8 (x3)7 (107)8 (b2)5 (xm)9 (a3)3a2 x2x2 a4a3 zz8 (8)(8)6(8)5 xnx6n+1 x9mx8m-1 1 1 1 ()()8()2 a8a7 x6x4 4 4 4 (6)(6)4(6)3 aa8

8、 x3x3 1 1 1 ()5()8()7 x4nx5n-1 y3my7m+1 6 6 6 (106)7 (b7)5 (bm)2 (b6)7 (107)5 (y6)6 (ym)9 (a3)7a9 x3x5 yy6 s5s6 (8)8(8)9(8)4 x5nx2n-1 x5mx5m-1 1 1 1 ()4()4()4 s9s z7z 7 7 7 (2)3(2)2(2)6 bb9 cc4 1 1 1 ()()4()2 y7my4m+1 yny3n+1 5 5 5 (103)8 (a9)8 (an)3 (y9)6 (103)3 (b9)6 (yn)2 (a2)4a3 x2x9 ss2 c2c8 (9

9、)2(9)6(9)2 x4mx3m-1 xmx8m+1 1 1 1 ()()3()6 t6t x6x 2 2 2 (7)(7)6(7)7 aa9 xx6 1 1 1 ()4()2()8 y8my6m+1 y3ny6n+1 8 8 8 (108)7 (y2)6 (yn)6 (b9)3 (102)6 (b5)9 (xn)7 (a8)5a5 xx6 aa9 b4b6 (5)(5)5(5)6 xmx7m-1 x4nx8n+1 1 1 1 ()8()3()7 t4t2 z4z2 3 3 3 (6)(6)3(6)4 cc2 tt8 1 1 1 ()()7()7 ymy9m-1 xnx6n+1 6 6 6

10、(107)9 (b7)7 (xn)8 (b6)5 (108)3 (y5)6 (bm)3 (a5)7a6 xx8 ss6 b7b9 (10)(10)4(10)4 xmx8m-1 xnx2n+1 1 1 1 ()5()3()7 b3b8 c3c7 7 7 7 (6)(6)2(6)8 zz4 cc2 1 1 1 ()2()9()4 y3ny5n+1 x6mx3m+1 8 8 8 (105)9 (b4)6 (xm)3 (a3)8 (108)8 (a5)2 (xm)4 (a3)7a7 x4x8 aa5 cc9 (1)(1)4(1)6 x5nx4n+1 x3mx8m-1 1 1 1 ()()2()3 y8

11、y7 z6z 3 3 3 (10)(10)5(10)9 cc8 bb7 1 1 1 ()()5()5 ymy4m+1 xnx3n-1 2 2 2 (106)8 (a9)5 (bm)5 (b7)3 (103)3 (x8)9 (bn)6 (a7)9a5 xx8 x9x7 b5b7 (8)(8)8(8)2 x4nx5n-1 xnx2n-1 1 1 1 ()()7()5 y3y b7b8 4 4 4 (2)(2)3(2)4 s3s9 xx9 1 1 1 ()5()5()8 xnx6n-1 y4my7m-1 4 4 4 (103)6 (x5)7 (bm)3 (a6)3 (103)4 (x2)3 (an)

12、2 (a5)4a7 xx5 b7b2 c6c8 (10)9(10)6(10)7 xmx4m+1 x9nx5n+1 1 1 1 ()5()6()6 z6z b7b9 4 4 4 (4)7(4)8(4)8 tt4 s7s4 1 1 1 ()()4()9 yny5n-1 y3ny5n-1 7 7 7 (106)9 (x3)5 (xm)6 (x8)9 (107)9 (a6)5 (xm)4 (a4)9a7 x2x9 cc8 x2x2 (7)(7)2(7)8 x6mx8m+1 xmx4m+1 1 1 1 ()()9()7 s3s t7t2 8 8 8 (7)4(7)4(7)9 bb8 ss4 1 1 1 ()8()5()7 y4my7m+1 y9ny4n+1 8 8 8 (103)4 (y6)8 (bm)6 (a3