ÌâÄ¿ÄÚÈÝ
£¨2012?½ðÅ£Çøһģ£©ÈçͼÊǼ×ÒÒÁ½ÖÖ¹ÌÌåÎïÖʵÄÈܽâ¶ÈÇúÏߣ®¾Ýͼ»Ø´ð£º
£¨1£©BµãµÄº¬ÒåÊÇ
£¨2£©ÔÚ20¡æʱҪʹ½Ó½ü±¥ºÍµÄ¼×ÈÜÒº±ä³É±¥ºÍÈÜÒº£¬¿É²ÉÓõÄÒ»ÖÖ·½·¨ÊÇ
£¨3£©µ±¼×Öк¬ÓÐÉÙÁ¿ÒÒʱ£¬¿É²ÉÓÃ
£¨4£©t2¡æʱ£¬½«50g¼×ÎïÖÊ·ÅÈëÊ¢ÓÐ100gË®µÄÉÕ±ÖУ¬ËùµÃÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ
£¨5£©Èô½«t1¡æʱ¼×µÄ±¥ºÍÈÜÒºÉýε½t2¡æʱ£¨²»¿¼ÂÇË®Õô·¢£©£¬ÈÜÒºÖб仯µÄÊÇ
A£®ÈܼÁµÄÖÊÁ¿ B£®ÈÜÒºµÄÖÊÁ¿ C£®ÈÜÖÊÖÊÁ¿·ÖÊý D£®Èܽâ¶È
£¨6£©Åжϼ×ÈÜÒºÔÚAµãʱ´¦ÓÚ
£¨7£©t2¡æʱ£¬Èܽâ6g¼×ÎïÖÊ£¬ÖÁÉÙÐèÒª
£¨8£©t2¡æʱ£¬ÔÚÉÕ±ÖзֱðÊ¢ÓеÈÖÊÁ¿µÄ¼×¡¢ÒÒÁ½ÖÖÈÜÖʵı¥ºÍÈÜÒº£¬´Ót2¡æ½µÎµ½t1¡æʱ£¬¶ÔÉÕ±ÖÐÊ£ÓàÈÜÒºÃèÊöÕýÈ·µÄÊÇ
¢ñ£®ÈÜÖʵÄÖÊÁ¿·ÖÊý£º¼×£¾ÒÒ¢ò£®Îö³ö¹ÌÌåµÄÖÊÁ¿£º¼×£¾ÒÒ
¢ó£®¼×ÊDZ¥ºÍÈÜÒº£¬ÒÒÊDz»±¥ºÍÈÜÒº¢ô£®ÈܼÁµÄÖÊÁ¿£º¼×=ÒÒ£®
£¨1£©BµãµÄº¬ÒåÊÇ
t2¡æʱ¼×ÒÒÁ½ÖÖÎïÖʵÄÈܽâ¶ÈÏàͬ
t2¡æʱ¼×ÒÒÁ½ÖÖÎïÖʵÄÈܽâ¶ÈÏàͬ
£®£¨2£©ÔÚ20¡æʱҪʹ½Ó½ü±¥ºÍµÄ¼×ÈÜÒº±ä³É±¥ºÍÈÜÒº£¬¿É²ÉÓõÄÒ»ÖÖ·½·¨ÊÇ
¼ÓÈë¼×£¨ºÏÀí¾ù¿É£©
¼ÓÈë¼×£¨ºÏÀí¾ù¿É£©
£»£¨3£©µ±¼×Öк¬ÓÐÉÙÁ¿ÒÒʱ£¬¿É²ÉÓÃ
ÀäÈ´Èȱ¥ºÍÈÜÒº
ÀäÈ´Èȱ¥ºÍÈÜÒº
µÄ·½·¨Ìá´¿¼×£®£¨4£©t2¡æʱ£¬½«50g¼×ÎïÖÊ·ÅÈëÊ¢ÓÐ100gË®µÄÉÕ±ÖУ¬ËùµÃÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ
23.1%
23.1%
£»£¨5£©Èô½«t1¡æʱ¼×µÄ±¥ºÍÈÜÒºÉýε½t2¡æʱ£¨²»¿¼ÂÇË®Õô·¢£©£¬ÈÜÒºÖб仯µÄÊÇ
D
D
£¨Ìî×Öĸ£©A£®ÈܼÁµÄÖÊÁ¿ B£®ÈÜÒºµÄÖÊÁ¿ C£®ÈÜÖÊÖÊÁ¿·ÖÊý D£®Èܽâ¶È
£¨6£©Åжϼ×ÈÜÒºÔÚAµãʱ´¦ÓÚ
²»±¥ºÍ
²»±¥ºÍ
״̬£®£¨7£©t2¡æʱ£¬Èܽâ6g¼×ÎïÖÊ£¬ÖÁÉÙÐèÒª
20
20
gË®£®£¨8£©t2¡æʱ£¬ÔÚÉÕ±ÖзֱðÊ¢ÓеÈÖÊÁ¿µÄ¼×¡¢ÒÒÁ½ÖÖÈÜÖʵı¥ºÍÈÜÒº£¬´Ót2¡æ½µÎµ½t1¡æʱ£¬¶ÔÉÕ±ÖÐÊ£ÓàÈÜÒºÃèÊöÕýÈ·µÄÊÇ
¢ò¡¢¢ô
¢ò¡¢¢ô
£®¢ñ£®ÈÜÖʵÄÖÊÁ¿·ÖÊý£º¼×£¾ÒÒ¢ò£®Îö³ö¹ÌÌåµÄÖÊÁ¿£º¼×£¾ÒÒ
¢ó£®¼×ÊDZ¥ºÍÈÜÒº£¬ÒÒÊDz»±¥ºÍÈÜÒº¢ô£®ÈܼÁµÄÖÊÁ¿£º¼×=ÒÒ£®
·ÖÎö£º£¨1£©½»µã±íʾ¸ÃζÈÏÂÁ½ÎïÖʵÄÈܽâ¶ÈÏàͬ£»
£¨2£©¸ù¾Ý¼×µÄÈܽâ¶ÈËæζȵı仯Ç÷ÊÆ·ÖÎö£»
£¨3£©¸ù¾Ý¼×¡¢ÒÒµÄÈܽâ¶ÈÊÜζȵÄÓ°ÏìÇé¿ö·ÖÎö½â´ð£»
£¨4£©¸ù¾Ýt2¡æʱ¼×µÄÈܽâ¶È·ÖÎö½â´ð£»
£¨5£©¸ù¾Ý¼×µÄÈܽâ¶ÈËæζȵı仯Ç÷ÊƲ¢½áºÏ¸÷Ñ¡Ïî½øÐзÖÎö£»
£¨6£©AÔÚÈܽâ¶ÈÇúÏßÏ·½£¬ÊǼ׵IJ»±¥ºÍÈÜÒº£»
£¨7£©¸ù¾Ýt2¡æʱ¼×µÄÈܽâ¶È·ÖÎö½â´ð£»
£¨8£©¸ù¾Ý¼×¡¢ÒÒµÄÈܽâ¶ÈËæζȵı仯Çé¿öÖðÒ»·ÖÎö½â´ð£®
£¨2£©¸ù¾Ý¼×µÄÈܽâ¶ÈËæζȵı仯Ç÷ÊÆ·ÖÎö£»
£¨3£©¸ù¾Ý¼×¡¢ÒÒµÄÈܽâ¶ÈÊÜζȵÄÓ°ÏìÇé¿ö·ÖÎö½â´ð£»
£¨4£©¸ù¾Ýt2¡æʱ¼×µÄÈܽâ¶È·ÖÎö½â´ð£»
£¨5£©¸ù¾Ý¼×µÄÈܽâ¶ÈËæζȵı仯Ç÷ÊƲ¢½áºÏ¸÷Ñ¡Ïî½øÐзÖÎö£»
£¨6£©AÔÚÈܽâ¶ÈÇúÏßÏ·½£¬ÊǼ׵IJ»±¥ºÍÈÜÒº£»
£¨7£©¸ù¾Ýt2¡æʱ¼×µÄÈܽâ¶È·ÖÎö½â´ð£»
£¨8£©¸ù¾Ý¼×¡¢ÒÒµÄÈܽâ¶ÈËæζȵı仯Çé¿öÖðÒ»·ÖÎö½â´ð£®
½â´ð£º½â£º£¨1£©Bµã±íʾt2¡æʱ¼×ÒÒÁ½ÖÖÎïÖʵÄÈܽâ¶ÈÏàͬ£»
¹Ê´ð°¸Îª£ºt2¡æʱ¼×ÒÒÁ½ÖÖÎïÖʵÄÈܽâ¶ÈÏàͬ£»
£¨2£©¼×µÄÈܽâ¶ÈËæζȵÄÉý¸ßÖð½¥Ôö´ó£¬ËùÒÔÔÚ20¡æʱҪʹ½Ó½ü±¥ºÍµÄ¼×ÈÜÒº±ä³É±¥ºÍÈÜÒº£¬¿É²ÉÓÃÔö¼ÓÈÜÖÊ¡¢Õô·¢ÈܼÁ»ò½µµÍζȵķ½·¨£»
¹Ê´ð°¸Îª£º¼ÓÈë¼×£¨ºÏÀí¾ù¿É£©£»
£¨3£©¼×µÄÈܽâ¶ÈËæζȵÄÉý¸ßÖð½¥Ôö´ó£¬ÒÒµÄÈܽâ¶ÈËæζȵÄÉý¸ß±ä»¯²»´ó£»ËùÒÔµ±¼×Öк¬ÓÐÉÙÁ¿ÒÒʱ£¬¿É²ÉÓÃÀäÈ´Èȱ¥ºÍÈÜÒºµÄ·½·¨Ìá´¿¼×£»
¹Ê´ð°¸Îª£ºÀäÈ´Èȱ¥ºÍÈÜÒº£»
£¨4£©t2¡æʱ¼×µÄÈܽâ¶ÈÊÇ30g£¬ËùÒÔ½«50g¼×ÎïÖÊ·ÅÈëÊ¢ÓÐ100gË®µÄÉÕ±ÖУ¬×î¶àÈܽâ30g£»¹ÊËùµÃÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ
¡Á100%=23.1%£»
¹Ê´ð°¸Îª£º23.1%£»
£¨5£©A¡¢¸ù¾ÝÌâÒ⣺½«t1¡æʱ¼×µÄ±¥ºÍÈÜÒºÉýε½t2¡æʱ£¨²»¿¼ÂÇË®Õô·¢£©£¬ËùÒÔÈܼÁµÄÖÊÁ¿²»±ä£¬²»·ûºÏÌâÒ⣻
B¡¢¼×µÄÈܽâ¶ÈËæζȵÄÉý¸ßÖð½¥Ôö´ó£»ËùÒÔÉý¸ßζȣ¬¼×Óɱ¥ºÍÈÜÒº±äΪ²»±¥ºÍÈÜÒº£¬ÔòÈÜÖʵÄÖÊÁ¿²»±ä£¬ÓÉÓÚÈܼÁµÄÖÊÁ¿Ò²²»±ä£¬¹ÊÈÜÒºµÄÖÊÁ¿²»±ä£¬²»·ûºÏÌâÒ⣻
C¡¢Éý¸ßζȣ¬¼×Óɱ¥ºÍÈÜÒº±äΪ²»±¥ºÍÈÜÒº£¬ÈÜÖʵÄÖÊÁ¿²»±ä£¬ÈÜÒºµÄÖÊÁ¿²»±ä£¬ËùÒÔÈÜÖʵÄÖÊÁ¿·ÖÊýÒ²²»±ä£¬²»·ûºÏÌâÒ⣻
D¡¢¸ù¾ÝÈܽâ¶ÈÇúÏß¿ÉÖª£¬¼×ÔÚt1¡æºÍt2¡æʱµÄÈܽâ¶È²»Í¬£¬·ûºÏÌâÒ⣻
¹ÊÑ¡D£»
£¨6£©AÔÚÈܽâ¶ÈÇúÏßÏ·½£¬ÊǼ׵IJ»±¥ºÍÈÜÒº£»
¹Ê´ð°¸Îª£º²»±¥ºÍ£»
£¨7£©t2¡æʱ¼×µÄÈܽâ¶ÈÊÇ30g£¬¼´100gË®×î¶àÈܽâ30g¼×£¬¹ÊҪʹ6g¼×Èܽ⣬ÖÁÉÙÐèҪˮ20g£»
¹Ê´ð°¸Îª£º20£»
£¨8£©¢ñ£®t2¡æʱ£¬¼×¡¢ÒÒÈܽâ¶ÈÏàͬ£¬¹ÊÁ½ÖÖÈÜÖʵı¥ºÍÈÜÒºÈÜÖÊÖÊÁ¿·ÖÊýÏàͬ£»t1¡æʱÒÒµÄÈܽâ¶È£¾¼×µÄÈܽâ¶È£¬ËùÒÔ´Ót2¡æ½µÎµ½t1¡æʱ¼×Îö³öµÄ¶à£¬¹ÊÈÜÖʵÄÖÊÁ¿·ÖÊý£º¼×£¼ÒÒ£¬¹Ê´íÎó£»
¢ò£®¹Û²ìÈܽâ¶ÈÇúÏß¿ÉÖª£º´Ót2¡æ½µÎµ½t1¡æʱ¼×µÄÈܽâ¶È±ä»¯´ó£¬¹ÊÎö³ö¹ÌÌåµÄÖÊÁ¿£º¼×£¾ÒÒ£¬ÕýÈ·£»
¢ó£®´Ót2¡æ½µÎµ½t1¡æʱ¼×¡¢ÒÒµÄÈܽâ¶È¾ù¼õС£¬Îö³ö¾§Ì壬¹ÊÐγɵĶ¼ÊDZ¥ºÍÈÜÒº£¬¹Ê´íÎó£»
¢ô£®´Ót2¡æ½µÎµ½t1¡æʱ¼×¡¢ÒÒµÄÈܼÁÖÊÁ¿²»±ä£¬¹ÊÈܼÁµÄÖÊÁ¿£º¼×=ÒÒ£¬ÕýÈ·£»
¹ÊÑ¡¢ò¡¢¢ô£®
¹Ê´ð°¸Îª£ºt2¡æʱ¼×ÒÒÁ½ÖÖÎïÖʵÄÈܽâ¶ÈÏàͬ£»
£¨2£©¼×µÄÈܽâ¶ÈËæζȵÄÉý¸ßÖð½¥Ôö´ó£¬ËùÒÔÔÚ20¡æʱҪʹ½Ó½ü±¥ºÍµÄ¼×ÈÜÒº±ä³É±¥ºÍÈÜÒº£¬¿É²ÉÓÃÔö¼ÓÈÜÖÊ¡¢Õô·¢ÈܼÁ»ò½µµÍζȵķ½·¨£»
¹Ê´ð°¸Îª£º¼ÓÈë¼×£¨ºÏÀí¾ù¿É£©£»
£¨3£©¼×µÄÈܽâ¶ÈËæζȵÄÉý¸ßÖð½¥Ôö´ó£¬ÒÒµÄÈܽâ¶ÈËæζȵÄÉý¸ß±ä»¯²»´ó£»ËùÒÔµ±¼×Öк¬ÓÐÉÙÁ¿ÒÒʱ£¬¿É²ÉÓÃÀäÈ´Èȱ¥ºÍÈÜÒºµÄ·½·¨Ìá´¿¼×£»
¹Ê´ð°¸Îª£ºÀäÈ´Èȱ¥ºÍÈÜÒº£»
£¨4£©t2¡æʱ¼×µÄÈܽâ¶ÈÊÇ30g£¬ËùÒÔ½«50g¼×ÎïÖÊ·ÅÈëÊ¢ÓÐ100gË®µÄÉÕ±ÖУ¬×î¶àÈܽâ30g£»¹ÊËùµÃÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ
30g |
130g |
¹Ê´ð°¸Îª£º23.1%£»
£¨5£©A¡¢¸ù¾ÝÌâÒ⣺½«t1¡æʱ¼×µÄ±¥ºÍÈÜÒºÉýε½t2¡æʱ£¨²»¿¼ÂÇË®Õô·¢£©£¬ËùÒÔÈܼÁµÄÖÊÁ¿²»±ä£¬²»·ûºÏÌâÒ⣻
B¡¢¼×µÄÈܽâ¶ÈËæζȵÄÉý¸ßÖð½¥Ôö´ó£»ËùÒÔÉý¸ßζȣ¬¼×Óɱ¥ºÍÈÜÒº±äΪ²»±¥ºÍÈÜÒº£¬ÔòÈÜÖʵÄÖÊÁ¿²»±ä£¬ÓÉÓÚÈܼÁµÄÖÊÁ¿Ò²²»±ä£¬¹ÊÈÜÒºµÄÖÊÁ¿²»±ä£¬²»·ûºÏÌâÒ⣻
C¡¢Éý¸ßζȣ¬¼×Óɱ¥ºÍÈÜÒº±äΪ²»±¥ºÍÈÜÒº£¬ÈÜÖʵÄÖÊÁ¿²»±ä£¬ÈÜÒºµÄÖÊÁ¿²»±ä£¬ËùÒÔÈÜÖʵÄÖÊÁ¿·ÖÊýÒ²²»±ä£¬²»·ûºÏÌâÒ⣻
D¡¢¸ù¾ÝÈܽâ¶ÈÇúÏß¿ÉÖª£¬¼×ÔÚt1¡æºÍt2¡æʱµÄÈܽâ¶È²»Í¬£¬·ûºÏÌâÒ⣻
¹ÊÑ¡D£»
£¨6£©AÔÚÈܽâ¶ÈÇúÏßÏ·½£¬ÊǼ׵IJ»±¥ºÍÈÜÒº£»
¹Ê´ð°¸Îª£º²»±¥ºÍ£»
£¨7£©t2¡æʱ¼×µÄÈܽâ¶ÈÊÇ30g£¬¼´100gË®×î¶àÈܽâ30g¼×£¬¹ÊҪʹ6g¼×Èܽ⣬ÖÁÉÙÐèҪˮ20g£»
¹Ê´ð°¸Îª£º20£»
£¨8£©¢ñ£®t2¡æʱ£¬¼×¡¢ÒÒÈܽâ¶ÈÏàͬ£¬¹ÊÁ½ÖÖÈÜÖʵı¥ºÍÈÜÒºÈÜÖÊÖÊÁ¿·ÖÊýÏàͬ£»t1¡æʱÒÒµÄÈܽâ¶È£¾¼×µÄÈܽâ¶È£¬ËùÒÔ´Ót2¡æ½µÎµ½t1¡æʱ¼×Îö³öµÄ¶à£¬¹ÊÈÜÖʵÄÖÊÁ¿·ÖÊý£º¼×£¼ÒÒ£¬¹Ê´íÎó£»
¢ò£®¹Û²ìÈܽâ¶ÈÇúÏß¿ÉÖª£º´Ót2¡æ½µÎµ½t1¡æʱ¼×µÄÈܽâ¶È±ä»¯´ó£¬¹ÊÎö³ö¹ÌÌåµÄÖÊÁ¿£º¼×£¾ÒÒ£¬ÕýÈ·£»
¢ó£®´Ót2¡æ½µÎµ½t1¡æʱ¼×¡¢ÒÒµÄÈܽâ¶È¾ù¼õС£¬Îö³ö¾§Ì壬¹ÊÐγɵĶ¼ÊDZ¥ºÍÈÜÒº£¬¹Ê´íÎó£»
¢ô£®´Ót2¡æ½µÎµ½t1¡æʱ¼×¡¢ÒÒµÄÈܼÁÖÊÁ¿²»±ä£¬¹ÊÈܼÁµÄÖÊÁ¿£º¼×=ÒÒ£¬ÕýÈ·£»
¹ÊÑ¡¢ò¡¢¢ô£®
µãÆÀ£º±¾Ìâ½ÏΪ×ۺϵĿ¼²éÁËѧÉú¶ÔÈܽâ¶È¸ÅÄîµÄÀí½â¡¢Ó¦Óã¬Èܽâ¶ÈÇúÏß֪ʶµÄÕÆÎÕ¼°Ó¦ÓýâÌâµÄÄÜÁ¦£¬ÒªÖðһϸÐÄ·ÖÎö½â´ð£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿