简便计算:26.8-0.75-0.5*0.5

问题描述:

简便计算:26.8-0.75-0.5*0.5

26.8-0.75-0.5*0.5
=26.8-0.75-0.25
=26.8-(0.75+0.25)
=26.8-1
=25.8