子毅 - 走火入魔

子毅喜欢数学的程度应该是走火入魔了! 
He said: Mummy, I know you are kinesthetic learning style. So I write down for you. 也许他认为应该学习的人是我！

Out of control! ziyi in love with maths.

Mama, you see there even had formula for Domino effect!
Mama, you see there is a square root on the formula. 他很high!我可以感觉他真的很兴奋！