计算.①根号49-根号169+立方根27.②

问题描述:

计算.①根号49-根号169+立方根27.②

①根号49-根号169+立方根27.
=7-13+3根号3
=3根号3-6

根号49-根号169+立方根27
=7-13+3
=-3

.①根号49-根号169+立方根27
=7-13+3
=-3