From Wikipedia, the free encyclopedia
二次無理數係能夠用有理係一元二次方程嘅根嚟表示嘅無理數。例如 、黃金比 。二次無理數一定係代數數。
數學嘅數 |
基本 |
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延伸 |
其他 |
圓周率 π = 3.141592653… |
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