每个人对“简单”的定义不同,不能满足于拿个A就成。
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顺带一提,在绝大多数高中,数学课sequence基本上是以AP Calculus BC终结。
开到Multivariable Calc / Differential Eq. / Linear Algebra的学校很少(基本都是精英校),除非周末去附近的大学/学院上课。
Each school is different in the way they teach math. For example, there are schools that teaches by the topic. However, PEA, mixes the topics together so you learn different topics at the same time.。
高中数学是这个顺序:precalculus/trigonometry, Calculus (single variable), Linear Algebra and Multi-variable Calculus。
具体的得看学校吧。