Mathematics
Junior High
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どうやって8ができたんですか?
-10はどこにいきましたか?
(CUI
(7)(√18-5) (√18+2)
=(√18)'+{(-5)+2}√/18+ (-5)×2
=18-3/18-10
=8-3×3√2
=8-9/2
](9) (√6+5)2
2
答
8-9/2
2
Answers
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