78.4/0.25*0.4怎样简便运算?
问题描述:
78.4/0.25*0.4怎样简便运算?
答
78.4/0.25*0.4
=78.4/0.1
=784
78.4/0.25*0.4
=78.4/0.1
=784
答
78.4/0.25*0.4
=78.4/0.1
=784