工作十四小时(赶死线)后的第一天,想躺下摸鱼……(可以说已经摸了快两小时了)特别是今天要干的活其实是改作业,十分枯燥orz

只好打开手机银行看一看刚到账的工钱告诉自己拿了钱就得干活()

让我来看看是哪个小朋友大二了还不知道求极限要检查二次导数的正负!

……怎么没有一个人检查二次导数啊 :picardfacepalm:

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