负3分之1的9次方除负3分之1的6次方怎么算
问题描述:
负3分之1的9次方除负3分之1的6次方怎么算
答
(-1/3)^9除(-1/3)^6 ???????
确定是这样吗 (-1/3)^9除(-1/3)^6 =(-1/3)^6 / (-1/3)^9
=(-1/3)^(6-9)
=(-1/3)^(-3)
=1/(-1/3)^3
=1/(-1^3 / 3^3)
=1/(-1/27)
= - 27
答
-1/27
答
=-3^(-9)/3^(-6)
= -3^(-3)
=-1/27
负3分之1的3次方