.5.8乘8.5加5.8乘0.5加5.8
问题描述:
.5.8乘8.5加5.8乘0.5加5.8
答
5.8*8.5+5.8*0.5+5.8
=5.8*(8.5+0.5+1)
=5.8*10
=58