ÌâÄ¿ÄÚÈÝ
2£®Èçͼ£¬ÏÂÃæÿ¸öС·½¸ñÊDZ߳¤1cmµÄÕý·½ÐΣ¬°´ÒªÇó²Ù×÷¡¢Ìî¿Õ¡¢»Í¼£®£¨1£©°ÑͼÖÐÈý½ÇÐÎAÈÆOµãµÄÄæʱÕëÐýת90¡ã£¬µÃµ½Èý½ÇÐÎB£®ÐýתºóOµãλÖã¬ÓÃÊý¶Ô±íʾÊÇ£¨11£¬3£©£®
£¨2£©ÒÑ֪ƽÐÐËıßÐÎËĸö¶¥µãµÄÊý¶Ô·Ö±ðΪE£¨1£¬5£©£¬F£¨5£¬5£©£¬G£¨2£¬7£©£¬H£¨6£¬7£©£¬ÔÚ¸ñ×ÓͼÉÏ»³öÕâ¸öƽÐÐËıßÐΣ®Õâ¸öƽÐÐËıßÐεÄÃæ»ýÊÇ8cm2£®
£¨3£©°ÑÈý½ÇÐÎBÏò×óƽÒÆ4¸ñ£¬µÃµ½Èý½ÇÐÎC£»Ò»Ö±ÏßMNΪ¶Ô³ÆÖá×÷ͼÐÎCµÄÖá¶Ô³ÆͼÐΣ¬µÃµ½Èý½ÇÐÎD£¬ÔÚͼÉÏ»³öͼÏóB¡¢Í¼ÐÎCºÍͼÐÎD£®
·ÖÎö £¨1£©Èý½ÇÐÎAÈÆOµãµÄÄæʱÕëÐýת90¡ãºó£¬µãOµÄλÖò»¶¯£¬ÆäÓà¸÷²¿·Ö¾ùÈƴ˵㰴Ïàͬ·½ÏòÐýתÏàͬµÄ¶ÈÊý£¬¼´¿É»³öÐýתºóµÄͼÐÎB£»¸ù¾ÝÓÃÊý¶Ô±íʾµãµÄλÖõķ½·¨£¬µÚÒ»¸öÊý×Ö±íʾÁÐÊý£¬µÚ¶þ¸öÊý×Ö±íʾÐÐÊý£¬¼´¿ÉÓÃÊý¶Ô±íʾ³öµãOµÄλÖã®
£¨2£©¸ù¾ÝÓÃÊý¶Ô±íʾµãµÄλÖõķ½·¨£¬µÚÒ»¸öÊý×Ö±íʾÁÐÊý£¬µÚ¶þ¸öÊý×Ö±íʾÐÐÊý£¬¼´¿ÉÔÚÍø¸ñͼÖÐÃè³öƽÐÐËıßÐεÄËĸö¶¥µã£¬ÔÙÊ×βÁ¬½á¼´¿ÉµÃµ½Æ½ÐÐËıßÐÎEFHG£»µãE¡¢FµÄÁÐÊýÖ®²î¾ÍÊǸÃƽÐÐËıßÐεĵף¬E¡¢GÐÐÊýÖ®²î¾ÍÊǸߣ¬Óɴ˼´¿ÉÇó³öËüµÄÃæ»ý£®
£¨3£©¸ù¾ÝƽÒƵÄÌØÕ÷£¬°ÑÈý½ÇÐÎBµÄ¸÷¶¥µã·Ö±ðÏò×óƽÒÆ4¸ñ£¬Ê×βÁ¬½á¼´¿ÉµÃµ½Èý½ÇÐÎC£»¸ù¾ÝÖá¶Ô³ÆͼÐεÄÌØÕ÷£¬¶Ô³Æµãµ½¶Ô³ÆÖáµÄ¾àÀëÏàµÈ£¬¶Ô³ÆµãµÄÁ¬Ïß´¹Ö±ÓÚ¶Ô³ÆÖᣬÔÚ¶Ô³ÆÖáMNµÄ×ó±ß»³öÈý½ÇÐÎCµÄ¶Ô³Æµã£¬ÒÀ´ÎÁ¬½á¼´¿ÉµÃµ½Èý½ÇÐÎD£®
½â´ð ½â£º£¨1£©°ÑͼÖÐÈý½ÇÐÎAÈÆOµãµÄÄæʱÕëÐýת90¡ã£¬µÃµ½Èý½ÇÐÎB£¨ÏÂͼ£©£®ÐýתºóOµãλÖã¬ÓÃÊý¶Ô±íʾÊÇ£¨11£¬3£©£®£¨2£©ÒÑ֪ƽÐÐËıßÐÎËĸö¶¥µãµÄÊý¶Ô·Ö±ðΪE£¨1£¬5£©£¬F£¨5£¬5£©£¬G£¨2£¬7£©£¬H£¨6£¬7£©£¬ÔÚ¸ñ×ÓͼÉÏ»³öÕâ¸öƽÐÐËıßÐΣ¨ÏÂͼ£©£®
Õâ¸öƽÐÐËıßÐεĵ×ÊÇ5-1=4£¨cm£©£¬¸ßÊÇ7-5=2£¨cm£©£¬ÆäÃæ»ýÊÇ4¡Á2=8£¨cm2£©£®
£¨3£©°ÑÈý½ÇÐÎBÏò×óƽÒÆ4¸ñ£¬µÃµ½Èý½ÇÐÎC£»Ò»Ö±ÏßMNΪ¶Ô³ÆÖá×÷ͼÐÎCµÄÖá¶Ô³ÆͼÐΣ¬µÃµ½Èý½ÇÐÎD£¬ÔÚͼÉÏ»³öͼÏóB¡¢Í¼ÐÎCºÍͼÐÎD£¨ÏÂͼ£©£®
¹Ê´ð°¸Îª£º£¨11£¬3£©£¬8£®
µãÆÀ ×÷ƽÒƺóµÄͼÐΡ¢×÷Ðýתһ¶¨¶ÈÊýºóµÄͼÐΡ¢×÷Öá¶Ô³ÆͼÐΣ¬¹Ø¼üÊÇÈ·¶¨¶ÔÓ¦µã£¨¶Ô³Æµã£©µÄλÖ㻵ãÓëÊý¶Ô£¬ÎÞÌØÊâ˵Ã÷£¬Êý¶ÔÖеÚÒ»¸öÊý×Ö±íʾÁУ¬µÚ¶þ¸öÊý×Ö±íʾÐУ®
A£® | ÕýÃæ | B£® | ²àÃæ | C£® | ÉÏÃæ |