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Friday, March 5, 2010

Well...

睇黎我要背鬼左呢兩條 inequality 佢=.=,起碼要由右手邊 sense 到左手邊舊野。
  • a3+b3+c3+3abca2b+a2c+b2a+b2c+c2a+c2b.
  • a4+b4+c4+abc(a+b+c)a3b+a3c+b3a+b3c+c3a+c3b.

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