Mathematics
Senior High
Resolved
高一数学Iです！
（4）の問題で、与式の横の式のルートの中で、なぜ－2√18になるのかがよく分かりません💧
どなたか教えてください🙇🏻♀️
(4) 11-6√√2
(5) √4-√15
(6)√6-
(4) 与式=√11-2√18 = √(9+2)-2√9.2 = √9-√2=3-√2
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