计算(1)根号25*根号4与根号25*4 (2)根号9/16*根号49/36与根号9/16*49/36

问题描述:

计算(1)根号25*根号4与根号25*4 (2)根号9/16*根号49/36与根号9/16*49/36

(1) 5*2=10 5*2=10
(2)3/4*7/6=7/8 3/4*7/6=7/8