8/25*0.25+1/4*57/25-(1-0.75)这么简便计算?
问题描述:
8/25*0.25+1/4*57/25-(1-0.75)这么简便计算?
答
8*0.25/25+57/100-0.25=8/100+57/100-25/100=0.4
8/25*0.25+1/4*57/25-(1-0.75)这么简便计算?
8*0.25/25+57/100-0.25=8/100+57/100-25/100=0.4