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长方体的表é¢ç§¯
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长方体的表é¢ç§¯. 长方体的表é¢ç§¯. é“王乡ä¸å¿ƒå°å¦ 土è¿åŠ¨. 下. 知识回顾 :. 6 é¢ 8 点 12 棱. 长方体的特å¾ï¼š 长方体有 6 个é¢ï¼Œç›¸å¯¹é¢çš„é¢ç§¯ç›¸ç‰ 8 个顶点（ 3 æ¡æ£±ç›¸äº¤çš„点å«é¡¶ç‚¹ï¼‰ 12 æ¡æ£±ï¼Œç›¸å¯¹æ£±çš„长度相ç‰ã€‚ 12 æ¡æ£±å¯åˆ†æˆä¸‰ç»„， 分别是 4 æ¡é•¿ã€ 4 æ¡å®½ã€ 4 æ¡é«˜. æ£æ–¹ä½“的特å¾ï¼š æ£æ–¹ä½“有 6 个é¢ï¼Œ 6 个é¢çš„é¢ç§¯ç›¸ç‰ã€‚ 8 个顶点（ 3 æ¡æ£±ç›¸äº¤çš„点å«é¡¶ç‚¹ï¼‰ 12 æ¡æ£±ï¼Œ 12 æ¡æ£±çš„长度相ç‰. ä½ ä»¬è¿˜è®°å¾—é•¿æ–¹å½¢é¢ç§¯å…¬å¼å— ?. 长方体的 表é¢ç§¯. 什么å«é•¿æ–¹ä½“的表é¢ç§¯ï¼Ÿ.
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长方体的表é¢ç§¯
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