(2ab²)-²/(a-²b)³
问题描述:
(2ab²)-²/(a-²b)³
答
(2ab²)-²/(a-²b)³解,得:==1/(2ab²)²*[1/(a^-6*b³)]==1/(2ab²)²*[1/(b³/a^6)]==1/(4a^2b^4)*(a^6/b³)==a^4/4b^7
(2ab²)-²/(a-²b)³
(2ab²)-²/(a-²b)³解,得:==1/(2ab²)²*[1/(a^-6*b³)]==1/(2ab²)²*[1/(b³/a^6)]==1/(4a^2b^4)*(a^6/b³)==a^4/4b^7