6.25-0.625+3.75-0.375简算
问题描述:
6.25-0.625+3.75-0.375简算
答
6.25-0.625+3.75-0.375 =6.25+3.75-0.375-0.625 =(6.25+3.75)-(0.375+0.625) =10-1 =9
6.25-0.625+3.75-0.375简算
6.25-0.625+3.75-0.375 =6.25+3.75-0.375-0.625 =(6.25+3.75)-(0.375+0.625) =10-1 =9