找数学家教，辅导微积分。

greentea

for high school grade 12 student - Math 31 Calculus 1 .
  q" {, z8 b7 A3 l) e0 j) y- X8 ~Please send 发短消息 to me,
' D' U. w5 S3 x& dor leave your phone number/or email address?
, g/ f) ^# q+ V: g/ pThanks,

qiaohe

please read 短消息