1.2÷0.25+1.3×4怎么简便计算?
问题描述：
1.2÷0.25+1.3×4怎么简便计算?
答
1.2÷0.25+1.3×4
=1.2×4+1.3×4
=(1.2+1.3)×4
=2.5×4
=10