3.38-4\3+2.22-25%(数学计算,可简便计算)
问题描述:
3.38-4\3+2.22-25%(数学计算,可简便计算)
答
¥899
答
根据交换律和结合律,有:
3.38-3/4+2.22-25%
=(3.38+2.22)-(3/4+25%)
=5.6-(0.75+0.25)
=5.6-1
=4.6