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			<title>フィボナッチ数列って何？黄金螺旋（黄金らせん）が自然界・宇宙に現れる理由を算楽塾の授業で学んだ</title>
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			<title>算数のピラミッドに眠る「お宝」！二項定理（にこうていり）と累乗（るいじょう）の秘密</title>
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			<title>「わからなくていい。それが、考える力の始まりだ」〜 米国富裕層の教育が証明した、算楽塾のスタイル 〜</title>
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			<title>黄金比と正二十面体</title>
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