1. He would allow John slyly to copy his answers to impossibly difficult algebra questions. 对于那些特别难的代数题，他允许约翰偷偷抄袭他的答案。
2. Algebra is not easy for everyone to learn, but it is very useful. 代数对每个人来说都不容易学，但它非常有用。
3. He is now learning anatomy, algebra, biology and geometry which are all science and math courses. 他现在正在学习解剖学、代数、生物学和几何学，这些都属于科学和数学课程。
4. Yet others go into mathematical procedures, but assume that the reader is adept in using algebra. 而另外一些深入探究了数学计算过程，但只面向熟悉代数的读者。
5. Such courses, Hacker argues, are a remedy for the numerical illiteracy of adults who have completed high-level math like algebra but are unable to calculate the price of a carpet by area. 哈克认为，这样的课程可以弥补成年人在数字方面的盲点，这些人已经完成了像代数这样的高级数学，但却无法按面积计算出一块地毯的价格。
