10/3×1.9+19.5÷9/2÷62/75-0.16的计算过程
问题描述:
10/3×1.9+19.5÷9/2÷62/75-0.16的计算过程
答
把带小数点的都换成分数来算,就ok了
10/3×19/10+39/2×2/9×75/62-4/25.分数的加减乘除应该会的吧.
答
10/3×1.9+19.5÷9/2÷62/75-0.16=19/3+19.5*2/9*75/62-0.16=19/3+325/62-0.16=2153/186-0.16=215300/18600-1976/18600=213324/18600