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&ensp;&ensp;&ensp;&ensp;毕达哥拉斯不仅知道奇数、偶数、质数、合数，还把自然数分成了亲和数、亏数、完全数等等。他分类的方法很奇特，其中，最有趣的是“形数”。下面小编给大家分享奇妙的数与形，希望能帮助到大家。 奇妙的数与形文档下载网址链接：</div></div><div class=\"download_card_btn download_card_btn_lb\"><div class=\"content_box_tj\"><span>推荐度：</span><img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\"></div><div class=\"downlod_btn_right demo_tc downlod_btn_right_lb\"><em class=\"downlod_icon\"></em>点击下载文档<span>文档为doc格式</span></div> </div></div></a>';
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