He is working on a maths problem.
他正在钻研一道数学题。
He is working on a maths problem.
他正在算一道数学难题。
He is working at a maths problem.
他正在演算一道数学题。
She is working at a maths problem.
她正在演算一道数学题。
He is considering a maths problem.
他在考虑一道数学题。
He was thinking about a maths problem.
他正在思虑一道数学题。
He is working hard at a maths problem.
他正在用心做一道数学题。
Now I'm thinking about a Maths problem.
我现在正思考一道数学题。
They are quarrelling about a maths problem.
他们在为一道数学题争吵。
But it is very difficult to use a formula in working out a maths problem.
但用公式解决某个数学问题却很难。
I worked out the maths problem with a different method.
我用不同的方法解出了这个数学题。
This maths problem is too much for a junior school student.
这道数学题对一个初中生来说太难了。
The other day, the maths teacher asked us to do a really puzzling problem.
前两天，数学老师要我们解一个非常难以解答的问题。
The other day, the maths teacher asked us to do a really puzzling problem.
前两天，数学老师要我们解一个非常难以解答的问题。
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