billzhao 发表于 2015-8-26 22:50 - D1 R+ k5 i3 E& Y+ w" e% 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 . S2 I) u: l4 A: b3 y( V. m1 Lwhat 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* z- y$ i% p; \' a2 T+ D
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?