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    會員登錄 - 用戶注冊 - 設為首頁 - 加入收藏 - 網站地圖 在直徑20厘米的圓里畫最大的正方形,正方形面積是多少? 剪直徑20厘米的圓形!

    在直徑20厘米的圓里畫最大的正方形,正方形面積是多少? 剪直徑20厘米的圓形

    時間:2021-10-22 09:47:48 來源:電加熱器 江蘇電加熱器 鹽城市鋒嘉電熱電器制造有限公司,專業生產電加熱器 作者:譚晶 閱讀:242次

    在直徑20厘米的圓里畫最年夜的正方形,正方形面積是幾多?

    這很簡單

    直徑20cm,半徑10cm

    畫出最年夜的正方形,可分為四等腰直角三角形,直角邊長10cm

    則正方形的面積為10×10×1/2×4=200平方厘米

    (責任編輯:明駿女孩)

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    14学生粉嫩下面自慰照片

    <optgroup id="yoilo"></optgroup>

      <span id="yoilo"><output id="yoilo"><nav id="yoilo"></nav></output></span> <legend id="yoilo"><li id="yoilo"></li></legend>

      <span id="yoilo"><output id="yoilo"><nav id="yoilo"></nav></output></span>
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    1. <acronym id="yoilo"></acronym>
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