(b/2a²)³÷(2b²/3a)0次方×(-b/a)^-3
问题描述:
(b/2a²)³÷(2b²/3a)0次方×(-b/a)^-3
答
(b/2a²)³÷(2b²/3a)0次方×(-b/a)^-3
=b³/(8×a的6次幂)÷1×[-(a³/b³)]
=-(1/8)a的9次幂