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Clearnote
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Senior High
Mathematics
教えてほしいです🙇🏻♀️🙇🏻♀️
Mathematics
Senior High
over 2 yearsago
^_-☆
教えてほしいです🙇🏻♀️🙇🏻♀️
2 等差数列 2,5,8,…, 35 の和Sを求めよ。 (77) 2 未 35 35項 32桁の自然数のうち、3の倍数であるものの和 Sを求めよ。
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