来自陆春海的问题
分数乘除法简便运算15×1/6+13/21×14+5/6×15+13/21×7{1-(1/4+1/8)}÷3/42356÷23562356/235722017/48÷55
分数乘除法简便运算
15×1/6+13/21×14+5/6×15+13/21×7
{1-(1/4+1/8)}÷3/4
2356÷23562356/2357
22017/48÷55
7回答
2020-04-25 00:00