你听过曹冲称象的故事吗?一千多年前,可没有能称几千斤的秤,要称出大象的重量来,怎么办?曹冲想出了一个好办法: 用许多石头来代替大象。曹冲先让人把大象牵到船上,在船身刻上装载大象后的水位线,再牵走大象,然后就开始装载石头,一直到船身下沉到刚才装载大象时的水位线为止。这 Have you ever heard the story of Cao Chong called it? A thousand years ago, there was no scale weighing several kilos. To weigh the weight of an elephant, what should we do? Cao Chong came up with a good idea: using many stones Instead of elephants. Cao Chong first let the elephant on the boat, loading the elephant in the hull on the water level after the line, and then take the elephant, and then began to load the stones, until the boat sink to just load the elephant when the water level Line so far. This