Mathematics
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√72-4√50+2√18=-8√2
なんで-8√2なんですか?

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✨ Best Answer ✨

√72=6√2
4√50=20√2
2√18=6√2より

√72-4√50+2 √18= 6√2-20√2+6√2
=-8√2

きゅん

ありがとうございます

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