billzhao 发表于 2015-8-26 22:50 . C/ c# u$ b9 A) b) w& ^what 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 K/ H8 H; s. s. ?: {. g% L; \4 z1 Uwhat 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?有问题可以问吗?
billzhao 发表于 2015-8-26 22:50: _% ^* S, s r9 ~2 G) ]% s
what subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...