billzhao 发表于 2015-8-26 22:50 ; N6 ?: U/ a- k4 f( Xwhat subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
) U- U. V! a+ a3 x* _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 . N( V% S9 A, i# d5 G" Ewhat subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
^% J+ @+ }/ i+ c' |* i, p
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?