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思维体操谷子如何变成谷堆一粒谷子躺在地上,增加一粒,再增加一粒,它们看起来都只是分散的谷子,但是,如果一粒一粒不断地增加,不一会儿,就形成了一个小小的谷
How do the mathematics millet become a pile of grain? A grain of millet lies on the ground. Adding a grain and adding another grain will all seem to be scattered grains. However, if one grain grows, it will soon be formed. A small valley