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
答
①根号49-根号169+立方根27.
=7-13+3根号3
=3根号3-6
答
根号49-根号169+立方根27
=7-13+3
=-3
答
.①根号49-根号169+立方根27
=7-13+3
=-3