求解 sqrt{520} | Microsoft Math Solver

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2\sqrt{130}

因式分解 520=2^{2}\times 130。将乘积 \sqrt{2^{2}\times 130} 的平方根重写为平方根 \sqrt{2^{2}}\sqrt{130} 的乘积。取 2^{2} 的平方根。

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