ÌâÄ¿ÄÚÈÝ
£¨2013?Óª¿Úһģ£©ÔÚ¡°Ì½¾¿Í¹Í¸¾µ³ÉÏñµÄ¹æÂÉ¡±µÄʵÑéÖУ¬½«À¯Öò¡¢½¹¾àµÈÓÚ10cmµÄ͹͸¾µ¡¢¹âÆÁ·ÅÔÚ¹â¾ß×ùÉÏ£¬ÈçͼËùʾ£¬µ÷½ÚÖòÑ桢͹͸¾µºÍ¹âÆÁµÄÖÐÐÄÔÚͬһ¸ß¶È£¬°Ñ͹͸¾µ¹Ì¶¨ÔÚ50cm´¦£®
£¨1£©Èô±£³ÖͼÖÐ͸¾µµÄλÖò»±ä£¬½«À¯ÖòÒÆÖÁ¹â¾ß×ùµÄ¡°20cm¡±¿Ì¶È´¦£¬ÔòÓ¦ÔÚ
£¨2£©ÈôÔÚʵÑéÖÐÖòÑæµÄÏñ³ÉÔÚÁ˹âÆÁÉϲ࣬ΪÁËʹÖòÑæµÄÏñÄܳÉÔÚ¹âÆÁÖÐÑ룬ÒÔϲÙ×÷¿ÉÐеÄÊÇ
A£®½«Í¹Í¸¾µÍùÉÏÒÆ B£®½«¹âÆÁÍùÏÂÒÆ
C£®½«À¯ÖòÍùÉÏÒÆ D£®½«À¯ÖòÍùÏÂÒÆ£®
£¨1£©Èô±£³ÖͼÖÐ͸¾µµÄλÖò»±ä£¬½«À¯ÖòÒÆÖÁ¹â¾ß×ùµÄ¡°20cm¡±¿Ì¶È´¦£¬ÔòÓ¦ÔÚ
60¡«70
60¡«70
cm¿Ì¶È·¶Î§ÄÚÒƶ¯¹âÆÁÑ°ÕÒÏñ£¬²ÅÄÜÔÚ¹âÆÁÉϵõ½×îÇåÎúµÄÏñ£¬¸ÃÏñÊÇÒ»¸öµ¹Á¢ËõС
ËõС
µÄʵÏñ£¬Ó¦ÓÃÕâÒ»ÔÀí¿ÉÒÔÖƳÉÕÕÏà»ú
ÕÕÏà»ú
£®£¨2£©ÈôÔÚʵÑéÖÐÖòÑæµÄÏñ³ÉÔÚÁ˹âÆÁÉϲ࣬ΪÁËʹÖòÑæµÄÏñÄܳÉÔÚ¹âÆÁÖÐÑ룬ÒÔϲÙ×÷¿ÉÐеÄÊÇ
C
C
A£®½«Í¹Í¸¾µÍùÉÏÒÆ B£®½«¹âÆÁÍùÏÂÒÆ
C£®½«À¯ÖòÍùÉÏÒÆ D£®½«À¯ÖòÍùÏÂÒÆ£®
·ÖÎö£º£¨1£©Í¹Í¸¾µ³ÉÏñ¹æÂɼ°ÆäÓ¦Ó㺵±u£¾2f£¬Ïñ¾à2f£¾v£¾f£¬³Éµ¹Á¢¡¢ËõСµÄʵÏñ£¬ÆäÓ¦ÓÃÊÇÕÕÏà»ú£®
ÔÚÎï¾àÒ»¶¨Ê±£¬Í¹Í¸¾µµÄ½¹¾àÔ½´ó£¬Îï¾àÏà¶Ô±äС£®
͹͸¾µ³ÉÏñʱ£¬Îï¾à¼õС£¬Ïñ¾àÔö´ó£¬ÏñÔö´ó£®
£¨2£©ÖòÑæµÄÏñ³ÉÔÚÁ˹âÆÁÉϲ࣬˵Ã÷¹âÆÁÆ«Ï»òÖòÑæÆ«Ï£¬¸ù¾Ý͹͸¾µËù³ÉµÄʵÏñÊǵ¹Á¢µÄ£¬¼´¿Éµ÷½Ú£®
ÔÚÎï¾àÒ»¶¨Ê±£¬Í¹Í¸¾µµÄ½¹¾àÔ½´ó£¬Îï¾àÏà¶Ô±äС£®
͹͸¾µ³ÉÏñʱ£¬Îï¾à¼õС£¬Ïñ¾àÔö´ó£¬ÏñÔö´ó£®
£¨2£©ÖòÑæµÄÏñ³ÉÔÚÁ˹âÆÁÉϲ࣬˵Ã÷¹âÆÁÆ«Ï»òÖòÑæÆ«Ï£¬¸ù¾Ý͹͸¾µËù³ÉµÄʵÏñÊǵ¹Á¢µÄ£¬¼´¿Éµ÷½Ú£®
½â´ð£º½â£º£¨1£©µ±½«À¯ÖòÒÆÖÁ¹â¾ß×ùµÄ¡°20cm¡±¿Ì¶È´¦Ê±£¬´ËʱÎï¾àu=60cm-20cm=40cm£¬Ôòu£¾2f£¬ÓÉ͹͸¾µ³ÉÏñ¹æÂÉ¿ÉÖª£¬´Ëʱ³Éµ¹Á¢ËõСµÄʵÏñ£¬Ïñ¾à2f£¾v£¾f£¬¼´¹âÆÁÔÚ¹â¾ß×ùµÄ60cm¡«70cm¿Ì¶È´¦£¬²ÅÄÜÔÚ¹âÆÁÉϵõ½×îÇåÎúµÄÏñ£¬Ó¦ÓÃÕâÒ»ÔÀí¿ÉÒÔÖƳÉÕÕÏà»ú£®
¹Ê´ð°¸Îª£º60¡«70£»ËõС£»ÕÕÏà»ú£®
£¨2£©´ÓͼÖпÉÖª£¬ÖòÑæµÄÏñ³ÉÔÚÁ˹âÆÁµÄÉÏ·½£¬ËùÒÔ¿ÉÒÔ½«¹âÆÁÏòÉϵ÷½Ú£®ÓÉÓÚ͹͸¾µËù³ÉµÄʵÏñÊǵ¹Á¢µÄ£¬ËùÒÔҪʹÏñ³ÉÔÚ¹âÆÁµÄÖÐÑ룬»¹¿ÉÒÔ½«Í¹Í¸¾µÏòϵ÷½Ú»ò½«ÖòÑæÏòÉϵ÷£®
¹ÊÑ¡C£®
¹Ê´ð°¸Îª£º60¡«70£»ËõС£»ÕÕÏà»ú£®
£¨2£©´ÓͼÖпÉÖª£¬ÖòÑæµÄÏñ³ÉÔÚÁ˹âÆÁµÄÉÏ·½£¬ËùÒÔ¿ÉÒÔ½«¹âÆÁÏòÉϵ÷½Ú£®ÓÉÓÚ͹͸¾µËù³ÉµÄʵÏñÊǵ¹Á¢µÄ£¬ËùÒÔҪʹÏñ³ÉÔÚ¹âÆÁµÄÖÐÑ룬»¹¿ÉÒÔ½«Í¹Í¸¾µÏòϵ÷½Ú»ò½«ÖòÑæÏòÉϵ÷£®
¹ÊÑ¡C£®
µãÆÀ£ºÍ¹Í¸¾µ³ÉÏñʱ£¬Îï¾àÒ»¶¨£¬¸Ä±ä͹͸¾µµÄ½¹¾à£¬¹âÆÁÈçºÎÒƶ¯£¬ÏñÈçºÎ±ä»¯£¬ÔÚÕÕÏà»úʵ¼ÊÅÄÕÕʱ¾³£³öÏÖ£¬Ò²ÌåÏÖÎïÀíºÍÉú»îµÄÃÜÇйØϵ£¬Ò»¶¨ÒªÕÆÎÕ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿