她还学习了一个模块的奥数。

She also learned one module of the Olympiad mathematics.

那是她那本奥数书的最后一讲了。

It is the last topic for her Olympian math book.

因此，整个晚上她都在自学一本奥数书。

So she spent the whole night in learning the Olympiad Mathematical book by herself.

奥数也是这样的。

Oersted of number also is such.

首先，必须培养孩子学习奥数的兴趣。

First of all, must foster children learn math interest.