数学脱式简算2.25*1.8+1.25*0.18
问题描述：
数学脱式简算
2.25*1.8+1.25*0.18
答
2.25*1.8+1.25*0.18 =(2.25+1.25/10)*1.8 =2.375*1.8 =4.275
数学脱式简算
2.25*1.8+1.25*0.18
2.25*1.8+1.25*0.18 =(2.25+1.25/10)*1.8 =2.375*1.8 =4.275