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。
Have you worked out the most difficult maths problem that our teacher told us to do?
你解出老师让我们做的那道最难的数学题了吗？
Have you worked out the most difficult maths problem that our teacher told us to do?
你解出老师让我们做的那道最难的数学题了吗？
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