10.5-(8.5-2.4+3.6)这道题怎么用简便方法计算
问题描述:
10.5-(8.5-2.4+3.6)这道题怎么用简便方法计算
答
10.5-(8.5-2.4+3.6)
=10.5-8.5+2.4-3.6
=4.4-3.6
=0.8