A significant part of the first semester is used to review and enhance concepts covered in AP Calculus AB.

第一学期的重点是复习并巩固在AP微积分AB中学到的概念。

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I had taken AB calculus during high school (not BC), and had scored a 4 on the AP exam (not a 5).

我在高中学的是数学微积分ab(不是BC)，我得了4分在数学微积分考试AP中(不是5分)。

youdao