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Clearnote
Q&A
Senior High
Mathematics
この問題の答えがブラスマイナス4にならない...
Mathematics
Senior High
over 2 yearsago
底辺高校生
この問題の答えがブラスマイナス4にならないのはなぜですか?
(4) √(-8) (-2)
(4) (与式)=√16=√42=4
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