解方程组﹛x²+xy+y²=1①;x²+xz+z²=2②;y²+yz+z²=3③﹜ 数形结合
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解方程组﹛x²+xy+y²=1①;x²+xz+z²=2②;y²+yz+z²=3③﹜ 数形结合
解方程组﹛x²+xy+y²=1①;x²+xz+z²=2②;y²+yz+z²=3③﹜ 数形结合
解方程组﹛x²+xy+y²=1①;x²+xz+z²=2②;y²+yz+z²=3③﹜ 数形结合
x+y+z=根号3