数学8-8.75+2.2-1.75简便计算方式
问题描述:
数学8-8.75+2.2-1.75简便计算方式
答
8-8+2-1+0.2-0.75-0.75=1.5
答
=8+2.2-(8.75+1.75)=-0.3
数学8-8.75+2.2-1.75简便计算方式
8-8+2-1+0.2-0.75-0.75=1.5
=8+2.2-(8.75+1.75)=-0.3