• 1. work out maths problems: 解答出数学题
• 2. work out easy maths problems: 计算出简单的数学难题 | 计算出容易的

• 1.Jack is so smart a boy that he can work out difficult maths problems quickly.
  杰克很聪明，因而他能很快的解出数学难题。
  dict.yoduao.com
• 2.Today I have to work out ten maths problems. I must write a Chinese composition and recite twenty English new words.
  我今天要解决十个数学问题，我要写作文，背二十个英语单词。
  dict.yoduao.com

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