问题描述:
你能说明下面每一步计算的理由吗?将它们填在括号里
y·(y^2)^3
=y·y^6 ( )
=y^7 ( )
2(a^2)^6-(a^3)^4
=2a^12-a^12 ( )
=a^12 ( )
(-x^3yz^2)^2
=(-1)^2(x^3)^2y^2(z^2)^2 ( )
=x^6z^2z^4 ( )
y·(y^2)^3
=y·y^6 ( )
=y^7 ( )
2(a^2)^6-(a^3)^4
=2a^12-a^12 ( )
=a^12 ( )
(-x^3yz^2)^2
=(-1)^2(x^3)^2y^2(z^2)^2 ( )
=x^6z^2z^4 ( )
问题解答:
我来补答展开全文阅读