3又3/5*25又2/5+37.9+6又2/5
问题描述:
3又3/5*25又2/5+37.9+6又2/5
答
135.74
答
3又3/5*25又2/5+37.9+6又2/5
=3.6*25.4+37.9+6.4
=135.74