brianone
說
f prime prime prime du/dx + c = k you + di/du = DIUUUUUU
janejane
說
冷靜
janejane
說
= =
brianone
說
please solve for du
janejane
說
=burning taper hall
PCC
說
=kill sahimi!!!!
brianone
說
我覺得需要冷靜的適你們...
PCC
說
我現在還待在房間代表我還很冷靜...