算术题

• sum

例句

1. 那个5岁的小男孩子正在学做算术题。
   The five-year-old boy is learning to do a sum.
2. 我不会做这道算术题。
   I can't do this sum.
3. 他做了这道算术题，但答案错了。
   He did the sum but got the wrong answer/got the answer wrong.