solve the difficult maths problem 解决困难的数学题
youdao
You are so smart. You can finish that difficult Maths problem in only five minutes.
你真聪明，可以在5分钟之内就解出那道数学难题。
It is too hard for a junior high student to work out such a difficult maths problem.
对于一个初中学生来说，解这么复杂的一道数学题是非常困难的。
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