天刀太白论剑直播:(3/11*87/100+73/00*3/11)/3% 能简算吗?怎么算?

来源:百度文库 编辑:高考问答 时间:2024/05/15 06:06:43

(3/11*87/100+73/00*3/11)/3%
=[3/11*(87/100+73/100)]/3/100
=(3/11*160/100)/3/100
=3/11*160/100*100/3
=160/11

用乘法分配率~
把除以3%看作乘以1/0.03


3/11*(87/100 +73/100)/3%
=160/11

3/11*87/100+73/00*3/11)/3%=3/11*(87/100 +73/100)*100/3=160/11