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ebdeddb639 2023-09-15 29: <body>
ebdeddb639 2023-09-15 30: <header id="title-block-header">
ebdeddb639 2023-09-15 31: <h1 class="title">MH-20210116</h1>
ebdeddb639 2023-09-15 32: </header>
ebdeddb639 2023-09-15 33: <nav id="TOC" role="doc-toc">
ebdeddb639 2023-09-15 34: <ul>
ebdeddb639 2023-09-15 35: <li><a href="#原解" id="toc-原解"><span class="toc-section-number">1</span> 原解</a></li>
979c60093b 2023-09-25 36: <li><a href="#扩展" id="toc-扩展"><span class="toc-section-number">2</span> 扩展</a></li>
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ebdeddb639 2023-09-15 39: <h1 data-number="1" id="原解"><span class="header-section-number">1</span> 原解</h1>
ebdeddb639 2023-09-15 40: <pre><code>1 * 5 = 5
ebdeddb639 2023-09-15 41:
ebdeddb639 2023-09-15 42: 2 * 4 = 8
ebdeddb639 2023-09-15 43:
ebdeddb639 2023-09-15 44: 3 * 3 = 9</code></pre>
c023041629 2023-09-24 45: <h1 data-number="2" id="扩展"><span class="header-section-number">2</span> 扩展</h1>
979c60093b 2023-09-25 46: <pre><code>6 = 3 + 3 = 3 + 3 + 1 - 1 = 3 + 1 + 3 - 1 = (3 + 1) + (3 - 1)
979c60093b 2023-09-25 47:
979c60093b 2023-09-25 48: (3 + 1) * (3 - 1) = 3 * 3 + 3 * (-1) + 1 * 3 + 1 * (-1) = 3 * 3 + 1 * (-1) = 3 * 3 - 1 ^ 2 = 3 ^ 2 - 1 ^ 2
979c60093b 2023-09-25 49:
979c60093b 2023-09-25 50: 3 ^ 2 > 3 ^ 2 - 1 ^ 2</code></pre>
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