ÌâÄ¿ÄÚÈÝ
£¨2012•±õºþÇøÄ£Ä⣩Èçͼ£¬Ð¡»ªÓÃÈô¸É¸öÕý·½Ðκͳ¤·½ÐÎ×¼±¸Æ´³ÉÒ»¸ö³¤·½ÌåµÄÕ¹¿ªÍ¼£®Æ´Íêºó£¬Ð¡»ª¿´À´¿´È¥×ܾõµÃËùƴͼÐÎËƺõ´æÔÚÎÊÌ⣮
£¨1£©ÇëÄã°ïС»ª·ÖÎöÒ»ÏÂƴͼÊÇ·ñ´æÔÚÎÊÌ⣺ÈôÓжàÓà¿é£¬Ôò°ÑͼÖжàÓಿ·ÖÍ¿ºÚ£»Èô»¹È±ÉÙ£¬ÔòÖ±½ÓÔÚÔͼÖв¹È«£®
£¨2£©ÈôͼÖеÄÕý·½Ðα߳¤Îª2cm£¬³¤·½Ðεij¤Îª3cm£¬¿íΪ2cm£¬ÇëÖ±½Óд³öÐÞÕýºóËùÕÛµþ¶ø³ÉµÄ³¤·½ÌåµÄÈÝ»ý£º
£¨1£©ÇëÄã°ïС»ª·ÖÎöÒ»ÏÂƴͼÊÇ·ñ´æÔÚÎÊÌ⣺ÈôÓжàÓà¿é£¬Ôò°ÑͼÖжàÓಿ·ÖÍ¿ºÚ£»Èô»¹È±ÉÙ£¬ÔòÖ±½ÓÔÚÔͼÖв¹È«£®
£¨2£©ÈôͼÖеÄÕý·½Ðα߳¤Îª2cm£¬³¤·½Ðεij¤Îª3cm£¬¿íΪ2cm£¬ÇëÖ±½Óд³öÐÞÕýºóËùÕÛµþ¶ø³ÉµÄ³¤·½ÌåµÄÈÝ»ý£º
12
12
cm3£®·ÖÎö£º£¨1£©ÓÉÓÚ³¤·½ÌåÓÐ6¸öÃ棬ÇÒÏà¶ÔµÄÁ½¸öÃæÈ«µÈ£¬ËùÒÔÕ¹¿ªÍ¼ÊÇ6¸ö³¤·½ÐΣ¨°üÀ¨Õý·½ÐΣ©£¬¶øͼÖÐËùƴͼÐι²ÓÐ7¸öÃ棬ËùÒÔÓжàÓà¿é£¬Ó¦¸ÃÈ¥µôÒ»¸ö£»ÓÖËùƴͼÐÎÖÐÓÐ3¸öÈ«µÈµÄÕý·½ÐΣ¬½áºÏƽÃæͼÐεÄÕÛµþ¿ÉÖª£¬¿É½«µÚ¶þÐÐ×î×ó±ßµÄÒ»¸öÕý·½ÐÎÈ¥µô£»
£¨2£©ÓÉÌâÒâ¿ÉÖª£¬´Ë³¤·½ÌåµÄ³¤¡¢¿í¡¢¸ß¿É·Ö±ð¿´×÷3ÀåÃס¢2ÀåÃ׺Í2ÀåÃ×£¬½«Êý¾Ý´úÈ볤·½ÌåµÄÌå»ý¹«Ê½¼´¿ÉÇó½â£®
£¨2£©ÓÉÌâÒâ¿ÉÖª£¬´Ë³¤·½ÌåµÄ³¤¡¢¿í¡¢¸ß¿É·Ö±ð¿´×÷3ÀåÃס¢2ÀåÃ׺Í2ÀåÃ×£¬½«Êý¾Ý´úÈ볤·½ÌåµÄÌå»ý¹«Ê½¼´¿ÉÇó½â£®
½â´ð£º½â£º£¨1£©Æ´Í¼´æÔÚÎÊÌ⣬Èçͼ£º
£¨2£©ÕÛµþ¶ø³ÉµÄ³¤·½ÌåµÄÈÝ»ýΪ£º3¡Á2¡Á2=12£¨cm3£©£®
¹Ê´ð°¸Îª12£®
£¨2£©ÕÛµþ¶ø³ÉµÄ³¤·½ÌåµÄÈÝ»ýΪ£º3¡Á2¡Á2=12£¨cm3£©£®
¹Ê´ð°¸Îª12£®
µãÆÀ£º±¾Ì⿼²éÁËƽÃæͼÐεÄÕÛµþÓ볤·½ÌåµÄÕ¹¿ªÍ¼¼°ÆäÌå»ýµÄ¼ÆË㣬±È½Ï¼òµ¥£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿