ÌâÄ¿ÄÚÈÝ

1£®Ò»¸öºìÉ«µÄÀⳤÊÇ4cmµÄÁ¢·½Ì壬½«ÆäÊʵ±·Ö¸î³ÉÀⳤΪ1cmµÄСÕý·½Ì壬ÎÊ£º
£¨1£©¹²µÃµ½¶àÉÙ¸öÀⳤΪ1cmµÄСÕý·½Ì壻
£¨2£©ÈýÃæÍ¿É«µÄСÕý·½ÌåÓжàÉÙ¸ö£»±íÃæ»ýÖ®ºÍΪ¶àÉÙ£»
£¨3£©¶þÃæÍ¿É«µÄСÕý·½ÌåÓжàÉÙ¸ö£»±íÃæ»ýÖ®ºÍΪ¶àÉÙ£»
£¨4£©Ò»ÃæÍ¿É«µÄСÕý·½ÌåÓжàÉÙ¸ö£»±íÃæ»ýÖ®ºÍΪ¶àÉÙ£»
£¨5£©Áù¸öÃæ¾ùûÓÐÍ¿É«µÄСÕý·½ÌåÓжàÉÙ¸ö£»±íÃæ»ýÖ®ºÍΪ¶àÉÙ£¿ËüÃÇÕ¼ÓжàÉÙÁ¢·½ÀåÃ×£®

·ÖÎö £¨1£©ÀⳤÊÇ4cmµÄÁ¢·½ÌåÌå»ý64cm3£¬ÀⳤΪ1cmµÄСÕý·½ÌåÌå»ýΪ1cm3£¬ÓÉ´ËÄÜÇó³ö¹²µÃµ½¶àÉÙ¸öÀⳤΪ1cmµÄСÕý·½Ì壮
£¨2£©ÈýÃæÍ¿É«µÄСÕý·½ÌåÊÇλÓÚÀⳤÊÇ4cmµÄÁ¢·½ÌåµÄ¶¥µã´¦µÄСÕý·½Ì壬ÓÉ´ËÄÜÇó³öÈýÃæÍ¿É«µÄСÕý·½ÌåÓжàÉÙ¸ö£¬±íÃæ»ýÖ®ºÍΪ¶àÉÙ£®
£¨3£©¶þÃæÍ¿É«µÄСÕý·½ÌåÊÇλÓÚÀⳤÊÇ4cmµÄÁ¢·½ÌåµÄ¸÷±ßÉϵÄÕý·½Ì壬ÓÉ´ËÄÜÇó³ö¶þÃæÍ¿É«µÄСÕý·½ÌåÓжàÉÙ¸ö£¬±íÃæ»ýÖ®ºÍΪ¶àÉÙ£®
£¨5£©Áù¸öÃæ¾ùûͿɫµÄСÕý·½ÌåΪÀⳤÊÇ4cmµÄÁ¢·½ÌåÖÐÐĵÄÕý·½Ì壬ÓÉ´ËÄÜÇó³öÁù¸öÃæ¾ùûÓÐÍ¿É«µÄСÕý·½ÌåÓжàÉÙ¸ö£¬±íÃæ»ýÖ®ºÍΪ¶àÉÙ£¬ËüÃÇÕ¼ÓжàÉÙÁ¢·½ÀåÃ×£®

½â´ð ½â£º£¨1£©ÀⳤÊÇ4cmµÄÁ¢·½ÌåÌå»ýΪ£º4¡Á4¡Á4=64£¨cm3£©£¬
ÀⳤΪ1cmµÄСÕý·½ÌåÌå»ýΪ1cm3£¬
¡à¹²µÃµ½$\frac{64}{1}=64$¸öСÕý·½Ì壮
£¨2£©ÈýÃæÍ¿É«µÄСÕý·½ÌåÊÇλÓÚÀⳤÊÇ4cmµÄÁ¢·½ÌåµÄ¶¥µã´¦µÄСÕý·½Ì壬
¡ßÁ¢·½Ìå¹²ÓÐ8¸ö¶¥µã£¬¡àÈýÃæÍ¿É«µÄСÕý·½ÌåÓÐ8¸ö£¬
ÿ¸öСÕý·½ÌåµÄ±íÃæ»ýΪ6cm2£¬Ôò±íÃæ»ýÖ®ºÍΪ8¡Á6=48£¨cm2£©£®
£¨3£©¶þÃæÍ¿É«µÄСÕý·½ÌåÊÇλÓÚÀⳤÊÇ4cmµÄÁ¢·½ÌåµÄ¸÷±ßÉϵÄÕý·½Ì壬
¡ßÁ¢·½Ìå¹²ÓÐ12Ìõ±ß£¬Ã¿±ßÓÐ2¸öÕý·½Ì壬
¡à¶þÃæÍ¿É«µÄСÕý·½ÌåÓÐ24¸ö£¬
ÿ¸öСÕý·½ÌåµÄ±íÃæ»ýΪ6cm2£¬Ôò±íÃæ»ýÖ®ºÍΪ24¡Á6=144£¨cm2£©£®
£¨4£©Ò»ÃæÍ¿É«µÄСÕý·½ÌåÔÚÀⳤÊÇ4cmµÄÁ¢·½ÌåµÄ±íÃæÉϼȲ»ÊǶ¥µãÓÖ²»ÊǸ÷±ßÉϵÄÕý·½Ì壬
¡ßÁ¢·½Ìå¹²ÓÐ6¸öÃ棬ÿ¸öÃæÓÐ4¸öÕý·½Ì壬
¡àÒ»ÃæÍ¿É«µÄСÕý·½ÌåÓÐ24¸ö£¬
ÿ¸öСÕý·½ÌåµÄ±íÃæ»ýΪ6cm2£¬Ôò±íÃæ»ýÖ®ºÍΪ24¡Á6=144£¨cm2£©£®
£¨5£©Áù¸öÃæ¾ùûͿɫµÄСÕý·½ÌåΪÀⳤÊÇ4cmµÄÁ¢·½ÌåÖÐÐĵÄÕý·½Ì壬
¹²ÓÐ64-8-24-24=8¸ö£¬
ÿ¸öСÕý·½ÌåµÄ±íÃæ»ýΪ6cm2£¬Ôò±íÃæ»ýÖ®ºÍΪ8¡Á6=48£¨cm2£©£¬
ËüÃÇ Õ¼8¡Á1=8cm3µÄ¿Õ¼ä£®

µãÆÀ ±¾Ì⿼²é´óÕý·½Ìå·Ö¸î³ÉСÕý·½ÌåµÄ¼ÆË㣬ÊÇÖеµÌ⣬½âÌâʱҪÈÏÕæÉóÌ⣬ҪÊìÁ·ÕÆÎÕÕý·½ÌåµÄ½á¹¹ÌØÕ÷£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø