3.6*1.25+1.25+3.4/0.8怎么用简便算法计算?
问题描述:
3.6*1.25+1.25+3.4/0.8怎么用简便算法计算?
答
3.6*1.25+1.25+3.4/0.8
=3.6*1.25+1.25+3.4*1.25
=(3.6+1+3.4)*1.25
=8*1.25
=10