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第九章 算术(2 / 2)

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贾谊说:“少广是什么意思?”

张仓说:“知道一个东西的面积和体积后,能反推其中长度。”

贾谊说:“商功是什么意思?”

张仓说:“这是关于建筑的,修建东西,需要对工程中的土和石头进行计算,算体积和分配比例。”

贾谊说:“均输是什么意思?”

张仓说:“朝廷收税,需要合理摊派赋税。这里就是计算赋税比例的问题。”

贾谊说:“盈不足是什么意思?”

张仓说:“是把一定数量的物品平均分给一定数量的人,由于物品和人数都未知,只已知在两次分配中一次是盈,一次是亏;或者两次都盈余,或者两次都亏的数量时,求参加分配的物品总量及人员总数。这类问题称为盈亏问题。也称为盈不足问题。”

贾谊说:“方程是什么意思?”

张仓说:“根据未知建立期平衡公式,建立多个公式相互求解。”

贾谊说:“勾股我知道。我研究过,是研究三角测量的。很多距离的测量都会使用三角测量,而三角可以分出直角三角形。所以会用到勾股。”

在数学体系没有建立的时候,只能把数学汇集起来,慢慢的捋顺了,再对不同的问题进行分类。那个时候的人虽然不知道数学,但是知道跟算有关的东西。数学就是在这种前提下诞生的,慢慢的由实际问题抽象到本质问题上。

中国人的数学水平比起希腊人差了些什么?可能不知道地球是圆的,不知道地球绕太阳转。不知道阿基米德所了解的力学。所以很多事情,只能摸索了。而其他的东西,中国跟希腊差不多一样。

喜欢数学心请大家收藏:数学心本站更新速度全网最快。

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