The math problem is so easy and the students can solve it easily.
这道数学题很简单，学生们很容易就能解出来。
I'm afraid we can't work out the math problem unless the teacher helps us.
如果老师不帮助我们，恐怕我们解不出这道数学题。
Nobody worked the math problem out.
没人解出这道数学题。
He is studying the math problem.
他正在研究这个数学问题。
算出这个数学难题很难。
He didn't have out the math problem.
他解这道数学题没有多大困难。
Let's help him work out the math problem.
让我们帮助他算出这道数学题。
At last Xiao Lin work out the math problem.
最后小林算出了那道数学题。
It is difficult to work out the math problem.
算出这个数学问题不容易。
I had a hard time working out the math problem.
做出这道数学题我很费力。
We make up our mind to work out the math problem.
我们下决心要解出这道数学题。
I have some difficulty in working the math problem.
我解出这道数学难题有点困难。
It is difficult for me to work out the math problem.
算出那道数学题对我来说太难了。
Tom came up with a way to work out the math problem.
汤姆想出了解决这道数学题的方法。
The whole morning he tried to solve the math problem.
整个早上他都在做这道数学题。
I can't work out the math problem in so short a time.
这么短的时间内我不能算出这道数学题。
The math problem is too difficult for me to work out.
这道数学题太难，我解不出来。
He spent the whole morning trying to solve the math problem.
他花了整整一个上午试图解出这道数学题。
I tried to work out the math problem in your way, but I failed.
我努力用你的方式解决这道数学题，但是失败了。
Did you work out the math problem in this way or (in) that way?
你用这种方法还是用那种方法把这道数学题算出来的？
Didd you work out the math problem in this way or (in) that way?
你用这种方法还是用那种方法把这道数学题算出来的？ ？
I work at the math problem for over one hour, but I can't work it out.
这道数学题我做了一个多小时，可是我解不出来。
The math problem was so difficult that I spent two hours working it out.
这道数学题太难了，我花了两小时才算出来。
To the teacher's surprise, the boy worked out the math problem so quickly.
使老师感到吃惊的是，那男孩那么快就算出了那道数学题。
So difficult was the math problem that we eventually decided to give it up.
这道数学题如此难以至于我们最终决定将其放弃。
So difficult was the math problem that we eventually decided to give it up.
这道数学题如此难以至于我们最终决定将其放弃。
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