Mathematics
Junior High
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この計算教えてください

2 1 V63 + V7 28
平方根の計算

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✨ Best Answer ✨

たぶんこうなります!

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Answers

√63=√{3²×7}=3√7

2/√7=2√7/7=(2/7)√7

√28=√{2²×7}=2√7

以上から、

{3+(2/7)-2}√7=(9/7)√7

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