北师大版七年级数学下册计算题专项训练 12Word格式文档下载.docx
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x)5÷
x)2
(-2a3•b2)2
b•(-2b)2(b3)2
(-y3)3÷
y3
a3n+1÷
a3n-1
(x3)n+1÷
x4n
104×
102÷
100
4×
2-4
(
)0÷
)-2
-(a+b)5•(a+b)2
(-3n2)2
x)4÷
(-2a3•b4)2
b•(-2b)3(b3)3
(-y2)3÷
(x2)n+1÷
x2n
102×
104÷
10-3
16×
)-3
)3
-(a+b)3•(a+b)3
(-2x2)4
(-2a3•b3)3
b•(-3b)3(b2)3
(-y3)4÷
y5
a2n+1÷
a2n-1
105÷
10-1
8×
)3•(-
(-3b4)2
(-2a2•b4)3
b•(-2b)3(b3)2
(-y2)4÷
y2
x3n
105×
103÷
2-2
)-4
)2•(-
(-3b3)4
x)6÷
(-3a3•b3)3
(x4)n+1÷
32×
2-3
(-3a4)2
(-3a2•b3)3
b•(-2b)3(b2)3