feel like to cry :/ the suffer subject paper is coming to me one by one...

I tried my best, although can't avoid those careless and mistakes... depends

add maths !! luck needed !! god please !!

hard work 2 years just for tmr -_-

Luck needed >< god bless me please !!

red bull <3

who can lend me calculator 570 -_-

I want A -_-

hw can forget use simultaneous to find intersect point !!!!! argh!!!!!!!!!!

damn look like holiday right now !!