賈憲三角
From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia
賈憲三角,或謂楊輝三角,蓋一三角數表。宋賈憲首引此表,以利乘方、開方。楊輝復引之,載於《詳解九章算法》。元朱世傑又引之,並繪《古法七乘方圖》[1]以發之。迄四百年,泰西帕斯卡見之,故泰西舊謂之帕斯卡三角。
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