4.9×6.4+14×0.36-6.4×3.5用简便方法怎样解

4.9×6.4+14×0.36-6.4×3.5用简便方法怎样解
2025-01-01 02:45:59
推荐回答(1个)
回答1:

解:=6.4*(4.9-3.5)+14*0.36
=6.4*1.4+14*0.36
=1.4*(6.4+3.6)
=14