No clear order...

Nothing much to share in this term tests. Maybe only one funny enough to worth mention is this answer :















I markn mark n then see this suddenly stunned ah. Never see such thing b4 in my life...now tell me is this 1st order or zeroth order ??

Hey 牛女- in case you are reading this entry...this is written by your 织郎 ...very nice handwritting...and with a brain of his own too. Good choice girl. ( n Good luck too).