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圓周率(원주율) - 國漢大百科

圓周率(원주율)이란、()直徑(직경)()圓周(원주)比率(비율)이며、()3.14159이다。無理數(무리수)이며、()小數(소수)展開(전개)循環(순환)하지않고、또한超越數(초월수)이다。普通(보통)希臘文字(희랍문자)π表記(표기)된다。數學(수학)科學(과학)多樣(다양)分野(분야)數式(수식)出現(출현)하는重要(중요)()이다。