5.47x5+4.53÷0.2的简便方法?

如题所述

第1个回答  2019-12-26
5.47*5+4.53/0.2的简便方法?提取公因式,
5.47*5+4.53/0.2
=5.47*5+4.53*5
=5*(5.47+4.53)
=5*10
=50