北师大版七年级数学下册计算题专项训练 19.docx
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北师大版七年级数学下册计算题专项训练19
(-y2)3÷y5
a3n+1÷a2n-1
(x3)n+1÷x3n
102×104÷10-1
4×2-2
()0÷()-3
(-)3•(-)2
-(a+b)5•(a+b)3
(-2b2)3
(-x)5÷(-x)3
(-2a2•b2)2
b•(-3b)2(b2)2
(-y2)4÷y3
a2n+1÷a3n-1
(x3)n+1÷x3n
102×102÷10-4
64×2-5
()0÷()-1
(-)2•(-)2
-(a+b)4•(a+b)4
(-3b5)4
(-x)5÷(-x)3
(-3a3•b4)3
b•(-3b)2(b3)3
(-y2)4÷y5
a3n+1÷a3n-1
(x4)n+1÷x3n
105×104÷100
8×2-3
()0÷()-2
(-)4•(-)3
-(a+b)2•(a+b)4
(-3b4)3
(-x)5÷(-x)3
(-3a2•b4)2
b•(-3b)3(b3)2
(-y3)4÷y6
a2n+1÷a3n-1
(x3)n+1÷x3n
103×105÷10-5
64×2-2
()0÷()-4
(-)3•(-)2
-(a+b)5•(a+b)2
(-3n3)4
(-x)4÷(-x)3
(-3a3•b2)3
b•(-3b)3(b2)3
(-y2)4÷y2
a2n+1÷a2n-1
(x3)n+1÷x3n
103×102÷100
4×20
()0÷()-4
(-)2•(-)3
-(a+b)3•(a+b)3
(-3b2)4
(-x)5÷(-x)3
(-2a2•b2)2
b•(-2b)3(b3)2
(-y2)4÷y2
a3n+1÷a2n-1
(x4)n+1÷x3n
103×103÷10-2
16×2-4
()0÷()-4