两只蚂蚁同时出发,用同样的速度,分别沿着正方形和圆形爬一圈,谁会先爬完?为什么?急急急急急急急急急急急急急急急急急急急急急急急急急急急jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
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![两只蚂蚁同时出发,用同样的速度,分别沿着正方形和圆形爬一圈,谁会先爬完?为什么?急急急急急急急急急急急急急急急急急急急急急急急急急急急jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj](/uploads/image/z/8424351-63-1.jpg?t=%E4%B8%A4%E5%8F%AA%E8%9A%82%E8%9A%81%E5%90%8C%E6%97%B6%E5%87%BA%E5%8F%91%2C%E7%94%A8%E5%90%8C%E6%A0%B7%E7%9A%84%E9%80%9F%E5%BA%A6%2C%E5%88%86%E5%88%AB%E6%B2%BF%E7%9D%80%E6%AD%A3%E6%96%B9%E5%BD%A2%E5%92%8C%E5%9C%86%E5%BD%A2%E7%88%AC%E4%B8%80%E5%9C%88%2C%E8%B0%81%E4%BC%9A%E5%85%88%E7%88%AC%E5%AE%8C%3F%E4%B8%BA%E4%BB%80%E4%B9%88%3F%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj)
两只蚂蚁同时出发,用同样的速度,分别沿着正方形和圆形爬一圈,谁会先爬完?为什么?急急急急急急急急急急急急急急急急急急急急急急急急急急急jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
两只蚂蚁同时出发,用同样的速度,分别沿着正方形和圆形爬一圈,谁会先爬完?为什么?
急急急急急急急急急急急急急急急急急急急急急急急急急急急jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
两只蚂蚁同时出发,用同样的速度,分别沿着正方形和圆形爬一圈,谁会先爬完?为什么?急急急急急急急急急急急急急急急急急急急急急急急急急急急jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
你必须告诉我正方形和圆形的周长是不是一样,如果正方形周长比较长的话,那爬圆形的快,反过来道理也一样.这和面积没关系,主要是周长问题.
爬圆行先完成,爬正方行的,蚂蚁遇到直角的时候多半会回头,所以这样就爬不了一圈...,,
这个不知道什么条件,鬼也不知道他们谁快
假设正方形的边长与圆的直径相等为a,内切圆,则正方形周长为4a,圆的周长为3.14a,所以圆先爬完
假设圆的直径与正方形对角线相等为a,外接圆,则正方形的周长为2a倍根号2,圆的周长为3.14a,所以正方形先爬完