Mathematics
Senior High
青マーカーの部分の式変形がわかりません。
どなたか詳しく教えてください🙇♂️
(1) 11 を法として考えると
26n-5+32n=2.26(n-1)+(32)=2.64"-1+9
082(-2)"-1+(-2)
=-(-2)+(-2)"=0
よって, 26n-5+32" は11の倍数である。
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