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Answers

輪環の順
(a-b)(b-c)(c-a)の方が綺麗に見えるからです.

AZ

勿論,(a-b)(a-c)(c-b)でも正解です.

♡𝙰𝚔𝚊𝚛𝚒♡

ありがとうございます*_ _)

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