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我叫平方根,她叫立方根,我们是实数王国中的表姐妹,我来自平方山庄,她出生于立方世家,实数没有我们将顿然失色、美中不足.
My name is square root. Her name is cubic root. We are the cousins of real kingdoms. I am from Fangfang Villa. She was born in Cube family. Real numbers without us will suddenly disappear.