圆柱的表é¢ç§¯
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圆柱的表é¢ç§¯. 高. 圆柱的å„部分. 底é¢. o. ä¾§ é¢. o. 底é¢. 高. 底é¢å‘¨é•¿. 高. 底é¢å‘¨é•¿. 圆柱的侧é¢ç§¯ï¼åº•é¢å‘¨é•¿ × 高. 圆柱的侧é¢ç§¯ï¼åº•é¢å‘¨é•¿ × 高 圆柱的表é¢ç§¯ï¼ä¾§é¢ç§¯ï¼‹ 2 个底é¢ç§¯. 注æ„: 在实际生活ä¸ï¼Œä½¿ç”¨ææ–™è¦æ¯”计划得到得结果è¦å¤šä¸€äº›ï¼Œå› æ¤è¦ä¿ç•™æ•´å平方厘米,都è¦å‘å‰ä¸€ä½è¿› 1 ï¼Œè¿™ç§æ–¹æ³•å« è¿›ä¸€æ³• 。.
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圆柱的表é¢ç§¯
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高 圆柱的各部分 底面 o 侧 面 o 底面
高 底面周长 高 底面周长
圆柱的侧面积=底面周长×高 圆柱的表面积=侧面积+2个底面积 注意: 在实际生活中,使用材料要比计划得到得结果要多一些,因此要保留整十平方厘米,都要向前一位进1,这种方法叫进一法。
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