北师大版七年级数学下册计算题专项训练 46Word格式.docx
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x)6÷
x)2
(-2a3•b3)2
b•(-2b)3(b3)3
(-y2)3÷
y6
a3n+1÷
a2n-1
(x3)n+1÷
x2n
105×
104÷
100
4×
2-2
(
)0÷
)-4
)4•(-
)3
-(a+b)5•(a+b)4
(-2b4)2
x)5÷
x)3
(-2a3•b3)3
b•(-3b)3(b3)3
(-y3)3÷
y2
a2n+1÷
(x4)n+1÷
x4n
103×
105÷
10-4
2-4
)-1
-(a+b)3•(a+b)3
(-3n2)3
(-3a2•b2)2
b•(-2b)2(b3)2
y3
(x2)n+1÷
103÷
64×
20
(-2n5)4
b•(-3b)2(b2)2
(-y3)4÷
10-3
32×
)-2
-(a+b)5•(a+b)2
(-3n5)3
(-3a3•b3)3
x3n
102×
10-5
16×
2-3
(-3b2)3
(-2a2•b2)2
b•(-2b)2(b3)3