1.25*67+12.5*3.2+0.125*10=?怎么简便运算
问题描述:
1.25*67+12.5*3.2+0.125*10=?怎么简便运算
答
额
这么简单
1.25*67+12.5*3.2+0.125*10
=1.25*67+1.25*32+1025*1
=1.25*(67+32+1)
=1.25*100
=125