【苏教版】五年级上：84钉子板上的多边形ppt课件内容摘要：
—— 开普勒 激活猜想 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 1㎝ 1㎝ 、 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● n=10 s=6 n=9 s= n=9 s= n=8 s=7 进行验证 图形编号 多边形的面积 /平方厘米 多边形边上的钉子数 /枚 ① 2 4 ② 3 6 ③ 7 ④ 4 8 (s) (n) S=n247。 2 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●。阅读剩余 0%
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