billzhao 发表于 2015-8-26 22:50 $ X: U" I v% p; |7 w- Owhat subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
billzhao 发表于 2015-8-26 22:50; w2 p3 p9 Y9 Z, N( ]
what subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
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你也教calculus,我家老大在学这个。你现在在爱城吗?有学习上的问题可以问吗?