é¢ç®ä¸ç¼ºå°åææ¡ä»¶åï¼å设工ç¨ä¸ºæ¥¼æ¿ï¼è®¾è®¡é
çåå±ååï¼é´è·æ¯ç±³8æ ¹ãåä¸å¹³æ¹ç±³æä¸ç±³é¿çé¢ç8Ã4=32æ ¹ï¼è®¡32mé¿ï¼åéé为32Ã0.395=12.64ï¼kgï¼ã
çï¼æä¸ä¸ªå¹³ç±³ç¨Î¦8é¢ç12.64å
¬æ¤ã
温馨提示:答案为网友推荐,仅供参考