ÌâÄ¿ÄÚÈÝ
ijһ¹¤³Ì£¬ÔÚ¹¤³ÌÕбêʱ½Óµ½¼×¡¢ÒÒÁ½¸ö¹¤³Ì¶ÓµÄͶ±êÊ飮ʩ¹¤Ò»Ì죬Ð踶¼×¹¤³Ì¶Ó¹¤³Ì¿î1.2ÍòÔª£¬ÒÒ¹¤³Ì¶Ó¹¤³Ì¿î0.5ÍòÔª£®¹¤³ÌÁ쵼С×é¸ù¾Ý¼×¡¢ÒÒÁ½¶ÓµÄͶ±êÊé²âË㣬ÓÐÈçÏ·½°¸£º¼×¶Óµ¥¶ÀÍê³ÉÕâÏ³Ì¸ÕºÃÈçÆÚÍê³É£»ÒÒ¶Óµ¥¶ÀÍê³ÉÕâÏ³ÌÒª±È¹æ¶¨ÈÕÆÚ¶àÓÃ6Ì죻Èô¼×¡¢ÒÒÁ½¶ÓºÏ×ö3Ì죬ÓàÏµĹ¤³ÌÓÉÒÒ¶Óµ¥¶À×öÒ²ÕýºÃÈçÆÚÍê³É£®
ÊÔÎÊ£ºÔÚ²»µ¢Îó¹¤ÆÚµÄÇ°ÌáÏ£¬Äã¾õµÃÄÄÒ»ÖÖÊ©¹¤·½°¸×î½ÚÊ¡¹¤³Ì¿î£¿Çë˵Ã÷ÀíÓÉ£®£¨±¾ÌâÂú·Ö6·Ö£©
Ñ¡Ôñ·½°¸(3)×î½ÚÊ¡¹¤³Ì¿î
¡¾½âÎö¡¿½â£ºÉèÕâÏ³Ì¹æ¶¨ÈÕÆÚΪxÌ죬
ÔòÓÉÌâÒâµÃ - ------ ----------2·Ö
½âÖ®µÃ x=6
¾¼ìÑ飬·ûºÏÌâÒâ - ------ --------3·Ö
·½°¸(1) 6¡Á1.2=7.2 ÍòÔª
·½°¸(2) ²»ºÏÌâÒ⣬ÉáÈ¥
·½°¸(3) 3¡Á1.2+6¡Á0.5=6.6 ÍòÔª - ------ ----------5·Ö
ÒòΪ7.2 ÍòÔª>6.6 ÍòÔª
ËùÒÔ Ñ¡Ôñ·½°¸(3)×î½ÚÊ¡¹¤³Ì¿î¡£ - ------ ---------6·Ö