8.34×4+1.66÷0.25怎么用简便方法计算
问题描述:
8.34×4+1.66÷0.25怎么用简便方法计算
答
8.34×4+1.66÷0.25
=8.34×4+1.66×4
=(8.34+1.66)×4
=10×4
=40