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		<title>【IQパズル】01-010：サークルIQミステリー[2]-増殖する数の法則</title>
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		<dc:creator><![CDATA[東鳥子]]></dc:creator>
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					<description><![CDATA[難易度：★★★★★ Q.01-010図のサークルのパターンを解いて、「？」の数字を当ててください。]]></description>
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<p class="has-text-align-right">難易度：★★★★★</p>



<p><strong>Q.01-010</strong><br>図のサークルのパターンを解いて、「？」の数字を当ててください。</p>



<figure class="wp-block-image size-full"><img fetchpriority="high" decoding="async" width="1000" height="563" src="https://chokomon.com/wp-content/uploads/2026/02/01-010-01-Q.png" alt="" class="wp-image-7448" srcset="https://chokomon.com/wp-content/uploads/2026/02/01-010-01-Q.png 1000w, https://chokomon.com/wp-content/uploads/2026/02/01-010-01-Q-768x432.png 768w" sizes="(max-width: 1000px) 100vw, 1000px" /></figure>



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<p class="has-vivid-cyan-blue-color has-text-color has-link-color wp-elements-d8c3a3e99018d2ddae9d6cf96d6a6c46">…どこかにフィボナッチ数列が隠れています。</p>
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<div class="wp-block-dvaux-frame sc_frame_wrap normal titlenone"><div class="sc_frame_title normal titlenone" style="background-color:#ccc">答え</div><div class="sc_frame" style="background-color:#fff;border-color:#ccc">
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<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-5a35b2d3c9cc40c0f11b6e85a27dee93"><strong>答え：50</strong></p>



<figure class="wp-block-image aligncenter size-full"><img decoding="async" width="1000" height="563" src="https://chokomon.com/wp-content/uploads/2026/02/01-010-02-A.png" alt="" class="wp-image-7450" srcset="https://chokomon.com/wp-content/uploads/2026/02/01-010-02-A.png 1000w, https://chokomon.com/wp-content/uploads/2026/02/01-010-02-A-768x432.png 768w" sizes="(max-width: 1000px) 100vw, 1000px" /></figure>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-29307183644805f987012bc905be1b61"><br>このサークルは、<br><strong>「フィボナッチ数列」と「直前の値」を組み合わせた規則</strong> で作られています。</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-f9052103cc426131c6da27ac317d3a22">まず、フィボナッチ数列を<br><strong>0</strong> から始めて並べます。</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-1d6603e4c507506617715e23858132a7">\(0, 1, 1, 2, 3, 5, 8, 13…\)</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-b81da8e3cd99443f00bc9afa35bf2455"><strong>①最初は、「3 」からスタート</strong></p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-43e3f3b9ebb7e2ceaad4d1872e4bf578">\(0 + 3 = 3\)</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-9452296eb90b682de030f1113e6863ae">これに、外側の数「1」を掛けます。</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-31607f88ae335788afb291b8ce3c017a">\(3 × 1 = 3\)</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-ee49ef50d0dd415b930441edd455ba34"><strong>②次は「直前の“かける前の数”」にフィボナッチを足す</strong></p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-32cf722ed0ebcf1c8fa16eefde75d758">直前の基準値は「3」。</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-380c6551e3470bdaed85dc146c489172">そこに次のフィボナッチ「1」を足します。</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-22db7069ecf9f76b80e7ebe414f5a262">\(1 + 3 = 4\)</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-7c2c64666dae653732a73204e52c4bad">これに、外側の数「2」を掛けます。</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-9f6fcfc9525b3e52247aed1931f4a559">\(4 × 2 = 8\)</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-0d179757cecec06bdaa63151f2a07a2e"><strong>③同じルールを続ける</strong></p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-088904f634128224716a4c29d16d5455">\(1 + 4 = 5 → 5 × 3 = 15\)<br>\(2 + 5 = 7 → 7 × 4 = 28\)<br>\(3 + 7 = 10 → 10 × 5 = 50\)<br>\(5 + 10 = 15 → 15 × 6 = 90\)<br>\(8 + 15 = 23 → 23 × 7 = 161\)<br>\(13 + 23 = 36 → 36 × 8 = 288\)</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-7106ea06ef2c4cd09a7c3f1d09f2a6a8">つまりルールは</p>



<ol class="wp-block-list">
<li class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-5c007f46b0556588773fce9fa0adfa5f">フィボナッチ数（0スタート）を順に使う</li>



<li class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-8d13ad126b03ba47bb05c00632711aa1">直前の「かける前の値」に足す</li>



<li class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-95d99ef0a4200e5583e4e4264fe7637e">外側の数を掛ける</li>
</ol>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-3d9b2a53f386c6d81de4e5fbbd07854a">という流れになっています。</p>



<p class="has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-73f703d1a3430fc305a550a1d6f1178a">5の位置では、<br>\(3 + 7 = 10 → 10 × 5 = 50\)<br>よって、<strong>？</strong>の数字は、<strong>50</strong>となります。</p>
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