(a^2/a^-1)*)a^0*b^2)/(ab^-1)
问题描述：
(a^2/a^-1)*)a^0*b^2)/(ab^-1)
答
a^2/a^-1=a^3 a^0*b^2=b^2 ab^-1=a/b 原式就等于a^3*b^2/(a/b)=a^2b^3
(a^2/a^-1)*)a^0*b^2)/(ab^-1)
a^2/a^-1=a^3 a^0*b^2=b^2 ab^-1=a/b 原式就等于a^3*b^2/(a/b)=a^2b^3