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
答
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