remainder radio deviation

例句：

1. 1. The total cost of the project is 50,000 dollars.
   这个项目的总成本是5万美元。
2. 2.The teacher asked us to divide the work equally among ourselves.
   老师让我们把工作平均分给我们自己。
3. 3. After the meal, we left the restaurant with a remainder of 10% tip.
   饭后，我们留下了10%的小费。