()比4吨少1/5

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 22:16:06
()比4吨少1/5
x)|~ +nhojT!_`gCPBP@ASV$`d*5$ف1b

()比4吨少1/5
()比4吨少1/5

()比4吨少1/5
(3.2 吨)比4吨少1/5
4 x ( 1- 1/5 ) = 4 x 4/5 = 3.2