billzhao 发表于 2015-8-26 22:50* B. j: W$ N- J2 K- L
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" ` n2 U* t2 O+ A5 b& w
what subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
9 A f5 k4 ]& ^% R8 k# a: s
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 22:507 I# I( D, g& V# R: j+ N- U2 M
what subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...