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【深刻的成语故事】07 拔苗助长丨Profound Idiom Story丨中国好绘本【三淼儿童官方频道】
⏲ 1 minute 26 seconds 👁 6.6K
古人如何计算圆周率π?刘徽割圆术与祖冲之失传的《缀术》
⏲ 13 minutes 21 seconds 👁 20.1K
题目很难,换元可以降低难度,正确者仍寥寥无几!
⏲ 9 minutes 18 seconds 👁 2.3K
42 1 圆的认识及周长计算小學奧數五年級幾何2
⏲ 2 minutes 27 seconds 👁 5.3K
131-150_#HSK2#_How to Pronounce Say Write因为所以 因爲 所以(because, so)Chinese Vocabulary Character Radical
⏲ 1 minute 15 seconds 👁 977
有用的二级结论的长期积累有助于解答填空题和选择题压轴题
⏲ 7 minutes 18 seconds 👁 632
中国古代的顶级数学家,凭一人之力,将“圆周率”精算到小数第7位!【天才简史】
⏲ 10 minutes 58 seconds 👁 4.6K
为什么要计算圆周率?第一次数学危机因π而起?科普圆周率的奥秘
⏲ 3 minutes 17 seconds 👁 3.7K
如何计算圆周率π的1亿位?巴塞尔问题是什么?π无穷级数算法
⏲ 23 minutes 32 seconds 👁 43K
古代数学家刘徽和祖冲之是如何算球的体积的?李永乐老师讲祖暅原理
⏲ 14 minutes 20 seconds 👁 107.8K
最美的数学公式是哪个?自然数是如何拓展出复数的?李永乐老师讲欧拉公式
⏲ 9 minutes 32 seconds 👁 267.2K
圆周率是怎么计算的?祖冲之的缀术已经失传?李永乐老师5分钟带你了解割圆法
⏲ 5 minutes 12 seconds 👁 201.4K
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