人教版初二数学上册积的乘方练习题精选61
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(10a)2-(4b)2(-5b)2(xy4)3
(-3x4)3(xy)5(-3×104)3(2ab3)2 (105)5(b9)3(b m)4-(a4)5
(109)2(y7)4-(x n)2(a6)8•a4
x•x2b•b2x•x8
(-9)3×(-9)5×(-9)6x7n•x3n-1x3m•x3m+1
1 1 1
(-—)5×(-—)5×(-—)9s6•s c3•c
9 9 9
(-6)7×(-6)4×(-6)9c•c6b•b9
1 1 1
(-—)×(-—)2×(-—)4y7m•y7m+1y2m•y3m-1
2 2 2
(6a)3-(6b)3(-5b)3(xy5)2
(-6x2)3(xy)7(-4×104)2(5ab2)2 (105)7(b8)3(a n)3-(b9)3
(104)7(a9)4-(a n)6(a5)2•a6
x•x3y4•y8z5•z2
(-4)×(-4)8×(-4)5x n•x6n+1x8n•x4n+1
1 1 1
(-—)4×(-—)7×(-—)3c3•c s4•s4
3 3 3
(-10)×(-10)2×(-10)5y•y3c5•c5
1 1 1
(-—)×(-—)6×(-—)6x n•x8n+1y9n•y5n+1
4 4 4
(7a)3-(5b)2(-4b)3(xy5)2
(-4x2)2(ab)2(-3×104)2(3ab4)2 (103)6(b6)4(y m)8-(b5)8
(105)3(b6)4-(x n)5(a9)5•a4
x2•x2a•a2c•c7
(-8)×(-8)2×(-8)6x n•x7n+1x n•x3n-1
1 1 1
(-—)×(-—)8×(-—)7x5•x3z8•z6
6 6 6
(-4)×(-4)8×(-4)9s•s3a•a5
1 1 1
(-—)×(-—)4×(-—)4y6m•y7m-1y6n•y5n-1
7 7 7
(10a)2-(3b)3(-4b)3(xy5)3
(-2x3)3(ab)8(-2×104)2(5ab2)3 (103)4(b2)8(b m)6-(a7)5
(102)9(b5)2-(x n)7(a7)8•a4
x•x2z•z7t6•t8
(-1)×(-1)5×(-1)5x m•x3m-1x n•x2n+1
1 1 1
(-—)5×(-—)9×(-—)2b8•b s7•s
5 5 5
(-4)2×(-4)9×(-4)9b3•b6a8•a7
1 1 1
(-—)×(-—)6×(-—)5x9m•x8m+1x6m•x9m-1
9 9 9
(2a)2-(6b)2(-3b)3(xy2)4
(-6x3)2(xy)9(-2×102)3(2ab3)2 (103)4(y9)7(y m)9-(y8)9
(102)2(a7)3-(a m)6(a7)9•a4
x•x3t8•t9c•c3
(-7)7×(-7)6×(-7)7x m•x3m+1x3n•x2n-1
1 1 1
(-—)×(-—)5×(-—)6s9•s b9•b
4 4 4
(-6)×(-6)8×(-6)5y8•y7x8•x9
1 1 1
(-—)6×(-—)9×(-—)8y5n•y9n+1y m•y6m-1
7 7 7
(6a)3-(3b)3(-3b)3(xy2)2
(-6x3)2(ab)3(-2×103)2(3ab4)2 (109)7(y5)7(x n)2-(x5)2
(105)3(b9)8-(a n)5(a5)6•a2
x6•x6t•t6s•s8
(-2)×(-2)8×(-2)4x m•x6m+1x4m•x5m-1
1 1 1
(-—)8×(-—)6×(-—)6z6•z2c7•c4
6 6 6
(-10)×(-10)2×(-10)8y9•y5c•c7
1 1 1
(-—)5×(-—)2×(-—)7x n•x5n+1x9n•x9n-1
3 3 3
(6a)2-(3b)2(-6b)3(xy4)4
(-3x2)2(xy)9(-2×102)2(2ab2)2
(102)4(a8)7(a n)3-(y2)9
(106)3(x7)4-(a m)6(a8)7•a7
x•x5x•x7z8•z3
(-5)8×(-5)5×(-5)2x n•x7n+1x8m•x3m+1
1 1 1
(-—)7×(-—)8×(-—)3s8•s9b5•b7
9 9 9
(-3)×(-3)9×(-3)6t•t8a•a6
1 1 1
(-—)5×(-—)3×(-—)6x m•x8m+1x n•x8n-1
2 2 2
(2a)3-(3b)3(-4b)2(xy5)2
(-2x2)3(ab)7(-4×102)3(2ab3)2 (105)6(a3)8(b m)3-(y3)8
(108)8(b8)7-(y m)9(a8)3•a9
x•x5a7•a3x3•x3
(-5)4×(-5)5×(-5)7x5m•x6m+1x6m•x9m+1
1 1 1
(-—)7×(-—)9×(-—)3y6•y b8•b
8 8 8