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<title id="title">两种二分方法及其频次</title>
<desc id="desc">根据教材扫描图人工重绘的矢量教学示意图。文字与线条可无损缩放。</desc>
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<text x="300.0" y="55.0" text-anchor="middle" dominant-baseline="central" font-size="22" fill="#193b32">是否A</text>
<text x="215" y="55.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">42</text>
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<text x="200.0" y="180.0" text-anchor="middle" dominant-baseline="central" font-size="22" fill="#193b32">是否B</text>
<text x="115" y="180.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">32</text>
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<text x="110.0" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="22" fill="#193b32">是否C</text>
<text x="25" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">19</text>
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<text x="410" y="180.0" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">A</text>
<text x="455" y="180.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">10</text>
<circle cx="310" cy="305" r="28" fill="#edf5ed" stroke="#417b63" stroke-width="2"/>
<text x="310" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">B</text>
<text x="355" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">13</text>
<circle cx="210" cy="430" r="28" fill="#edf5ed" stroke="#417b63" stroke-width="2"/>
<text x="210" y="430.0" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">C</text>
<text x="255" y="430.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">14</text>
<circle cx="40" cy="430" r="28" fill="#edf5ed" stroke="#417b63" stroke-width="2"/>
<text x="40" y="430.0" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">D</text>
<text x="85" y="430.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">5</text>
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<line x1="690" y1="180" x2="780" y2="305" stroke="#417b63" stroke-width="2"/>
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<text x="870.0" y="55.0" text-anchor="middle" dominant-baseline="central" font-size="22" fill="#193b32">AD还是BC</text>
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<text x="690.0" y="180.0" text-anchor="middle" dominant-baseline="central" font-size="22" fill="#193b32">是否A</text>
<text x="605" y="180.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">15</text>
<rect x="958" y="152" width="124" height="56" rx="0" fill="#edf5ed" stroke="#417b63" stroke-width="2"/>
<text x="1020.0" y="180.0" text-anchor="middle" dominant-baseline="central" font-size="22" fill="#193b32">是否C</text>
<text x="935" y="180.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">27</text>
<circle cx="595" cy="305" r="28" fill="#edf5ed" stroke="#417b63" stroke-width="2"/>
<text x="595" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">D</text>
<text x="640" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">5</text>
<circle cx="780" cy="305" r="28" fill="#edf5ed" stroke="#417b63" stroke-width="2"/>
<text x="780" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">A</text>
<text x="825" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">10</text>
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<text x="935" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">B</text>
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<text x="1110" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">C</text>
<text x="1155" y="305.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">14</text>
<text x="275" y="510.0" text-anchor="middle" dominant-baseline="central" font-size="24" fill="#193b32">(a) 第一种分法</text>
<text x="900" y="510.0" text-anchor="middle" dominant-baseline="central" font-size="24" fill="#193b32">(b) 第二种分法</text>
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