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简介：珠算，是中国人特有的有关数的知识和实践。其所使用的工具算盘，则被誉为中国的第五大发明。在汉语中，“珠”表示一种近圆形的小型计数工具，用来代表算盘；“算”则是指中国古代的一种特别的数学理论。人们根据口诀，通过手指拨珠，便可以完成包括加、减、乘、除、乘方、开方以及求高次方程数值解等数学计算。收起
《影响世界的珠子》 20170824
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