NEET@
https://images.plurk.com/1BvfN4bOgNIfamhvmFziBe.jpg https://images.plurk.com/7hG9vYlsoSzilygl27Dtkz.jpg https://images.plurk.com/5a4Jetmi6TacsNcXfCvopr.jpg https://images.plurk.com/7ka7gBFYNqvBww65ahOctl.jpg
つ10分
掰噗~
沒錯沒錯
NEET@
x^3 - (a+1)x^2 - 11ax - 121 = 0
NEET@
當a = 1 時,x1^2+x2^2+x3^2有最小值-3
立茲 π^π 上官我婆啦
螺絲
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