3.7*0.25+6.3/4,用简便算法计算
问题描述:
3.7*0.25+6.3/4,用简便算法计算
答
3.7*0.25+6.3/4
=3.7x0.25+6.3x0.25
=(3.7+6.3)x0.25
=10x0.25
=2.5