另一方面，出于教学动机可能会鼓励对PHP数学库的开发。
On the other hand, educational motivations might inspire the development of a PHP math library.
另一方面，物理化学和数学对我来说很容易。
On the other hand, Physics, Chemistry and Math are very easy subjects for me.
考试会就四方面能力提问：数学，英语，阅读和科学。
There are questions in four skill areas: math, English, reading and science.
可以从三方面来说明：（1）形成正确的数学教学观；
It is as follows: (1) building a correct view of teaching mathematics;
可以从三方面来说明：（1）形成正确的数学教学观；
It is as follows: (1) building a correct view of teaching mathematics;
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