数钱无需数学好,以前农村集镇上掌行的只需在袖筒里捏手指头,就算是“六指”,只不过最大到“六”,可他们有自己的算法,而且还记得住,和数学特别是高等数学无关,请教一下, 哪位知道她们是如何进位的?
数钱无需数学好,以前农村集镇上掌行的只需在袖筒里捏手指头,就算是“六指”,只不过最大到“六”,可他们有自己的算法,而且还记得住,和数学特别是高等数学无关,请教一下, 哪位知道她们是如何进位的?
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