Thanks各位学霸门

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Thanks各位学霸门
Thanks各位学霸门

Thanks各位学霸门
x^2+1/x^2=(x+1/x)^2-2=2^2-2=2

Thanks各位学霸门各位学霸们,thanks. thanks各位哥哥姐姐了 “莫遣只轮归海窟”谁写的?thanks各位 THANKS thanks: Thanks thanks thanks Thanks! -Thanks. thanks thanks! thanks thanks! thanks thanks thanks