你+油呀= =唔該你呀= =
:37;比人略過左
6b^2-17b/2+3
(2a+b)(2a-b)-4a+1
2521# 339122
...= =你是唔是條條唔識?
factorize唔係我既強項= =
:60;中一的數黎?=.=?
0.0咁你強項是?
呢d叫中一既數= =你玩我呀 vbnn= =
強項係expand= =
你們吹得好快...
是中1=.=我中1一樣識 我英文好屎唔明呀= =