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3、这本书可以告诉我们数学之间的奇妙关系。

(1)求10112359550561797752808988764044943820224719x9只用把9移到首位就行了。

(2)告诉你一些关于9的奇闻怪事。

(3)关于2的独特之处。

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洋洋寒假作业--我是读书小博士

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