Study math for free!

Math planet is an online resource where one can study math for free. Take our high school math courses in Pre-algebra, Algebra 1, Algebra 2 and Geometry. We have also prepared practice tests for the SAT and ACT. The educational material is focused on US high school maths. However, since maths is the same all over the world, we welcome everybody to study math with us, for free.


数学星球是一个在线资源,可以免费学习数学。 参加预代数,代数1,代数2和几何中的高中数学课程。 我们还为SAT和ACT准备了练习测试。 教材主要关注美国高中数学。 然而,由于数学在全世界都是一样的,所以我们欢迎所有人免费与我们一起学习数学。

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