ÌâÄ¿ÄÚÈÝ
![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201109/7/09e388da.png)
ζȣ¨¡æ£© | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 |
Èܽâ¶È£¨g£© | 13.3 | 20.9 | 31.6 | 45.8 | 63.9 | 85.5 | 110 | 138 | 169 | 202 |
£¨2£©ÔÚ20¡æʱ£¬Ïò100gË®ÖмÓÈë30gÏõËá¼Ø£¬ÐγɵÄÏõËá¼ØÈÜÒºÊÇ
£¨3£©ÇëÒÀ¾ÝÉϱí¸ø¶¨µÄÊý¾ÝÔÚÓұߵıí¸ñÖлæÖÆÈܽâ¶ÈÇúÏß
£¨4£©ÈçÒª½«100gÈÜÖÊÖÊÁ¿·ÖÊýΪ20%µÄÏõËá¼ØÈÜҺϡÊͳÉÈÜÖÊÖÊÁ¿·ÖÊýΪ10%µÄÏõËá¼ØÈÜÒº£¬Ðè¼ÓÈëË®µÄÖÊÁ¿Îª
·ÖÎö£º£¨1£©¸ù¾Ý±í¸ñÐÅÏ¢½øÐнâ´ð£»
£¨2£©¸ù¾Ý20¡æʱÏõËá¼ØµÄÈܽâ¶È½øÐÐÅжÏÊÇ·ñΪ±¥ºÍÈÜÒº£¬ÔÙ¸ù¾ÝÈÜÖÊÖÊÁ¿·ÖÊý=
¡Á 100%¼ÆËã¼´¿É£»
£¨3£©¸ù¾Ý±í¸ñÖеÄÊý¾ÝÓÃÃèµã·¨»æÖÆÈܽâ¶ÈÇúÏߣ»
£¨4£©ÈÜÒºÔÚÏ¡Ê͹ý³ÌÖÐÈÜÖʲ»±äÁеÈʽÇó½â£®
£¨2£©¸ù¾Ý20¡æʱÏõËá¼ØµÄÈܽâ¶È½øÐÐÅжÏÊÇ·ñΪ±¥ºÍÈÜÒº£¬ÔÙ¸ù¾ÝÈÜÖÊÖÊÁ¿·ÖÊý=
ÈÜÖÊÖÊÁ¿ |
ÈÜÒºÖÊÁ¿ |
£¨3£©¸ù¾Ý±í¸ñÖеÄÊý¾ÝÓÃÃèµã·¨»æÖÆÈܽâ¶ÈÇúÏߣ»
£¨4£©ÈÜÒºÔÚÏ¡Ê͹ý³ÌÖÐÈÜÖʲ»±äÁеÈʽÇó½â£®
½â´ð£º½â£º£¨1£©Óɱí¸ñÐÅÏ¢¿ÉÖª£¬ÏõËá¼ØµÄÈܽâ¶ÈËæ×ÅζȵÄÉý¸ßÖð½¥Ôö´ó£»
£¨2£©20¡æʱ£¬ÏõËá¼ØµÄÈܽâ¶È31.6g£¬Ò²¾ÍÊÇ20¡æʱ100gË®ÖÐ×î¶àÈܽâ31.6gÏõËá¼Ø£®ÔÚ20¡æʱ£¬Ïò100gË®ÖмÓÈë30gÏõËá¼ØÐγɵÄÊÇÏõËá¼ØµÄ²»±¥ºÍÈÜÒº£¬ÈÜÖÊÖÊÁ¿·ÖÊý=
¡Á100%=23.1%£»
£¨3£©![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201110/13/2b115d85.png)
£¨4£©ÉèÐè¼ÓË®µÄÖÊÁ¿Îªx£®
100g¡Á20%=£¨100g+x£©¡Á10%
x=100g
´ð£ºÐè¼ÓË®µÄÖÊÁ¿Îª100g£®
¹Ê´ð°¸Îª£º£¨1£©ÏõËá¼ØµÄÈܽâ¶ÈËæ×ÅζȵÄÉý¸ßÖð½¥Ôö´ó£»£¨2£©²»±¥ºÍ£»23.1%£»£¨3£©
£¨4£©100£®
£¨2£©20¡æʱ£¬ÏõËá¼ØµÄÈܽâ¶È31.6g£¬Ò²¾ÍÊÇ20¡æʱ100gË®ÖÐ×î¶àÈܽâ31.6gÏõËá¼Ø£®ÔÚ20¡æʱ£¬Ïò100gË®ÖмÓÈë30gÏõËá¼ØÐγɵÄÊÇÏõËá¼ØµÄ²»±¥ºÍÈÜÒº£¬ÈÜÖÊÖÊÁ¿·ÖÊý=
30g |
30g+100g |
£¨3£©
![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201110/13/2b115d85.png)
£¨4£©ÉèÐè¼ÓË®µÄÖÊÁ¿Îªx£®
100g¡Á20%=£¨100g+x£©¡Á10%
x=100g
´ð£ºÐè¼ÓË®µÄÖÊÁ¿Îª100g£®
¹Ê´ð°¸Îª£º£¨1£©ÏõËá¼ØµÄÈܽâ¶ÈËæ×ÅζȵÄÉý¸ßÖð½¥Ôö´ó£»£¨2£©²»±¥ºÍ£»23.1%£»£¨3£©
![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201110/13/adb4017b.png)
µãÆÀ£ºÖ÷Òª¿¼²éÁ˹ÌÌåÈܽâ¶ÈµÄº¬ÒåÒÔ¼°»æÖÆÈܽâ¶ÈÇúÏߣ¬Í¨¹ý±¾Ìâ¿ÉÒÔ¼ÓǿѧÉú¶Ô¹ÌÌåÈܽâ¶ÈµÄÀí½â£¬ÅàÑøѧÉúÓ¦ÓÃ֪ʶ½â¾öÎÊÌâµÄÄÜÁ¦£®
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ϱíÁгöÁËÏõËá¼ØÔÚ²»Í¬Î¶ÈʱµÄÈܽâ¶È£®
ijÐËȤС×é×öÁËÈçͼʵÑ飺ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201401/113/4c580130.png)
ζÈ/¡æ | 10 | 20 | 30 | 40 |
Èܽâ¶È/g | 20.9 | 31.6 | 45.8 | 63.9 |
![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201401/113/4c580130.png)
A¡¢¢Ù¢Ú¢ÛÖÐÈÜÒº¶¼Îª²»±¥ºÍÈÜÒº |
B¡¢¢Ú¢ÛÖж¼º¬ÓÐÄ©ÈܽâµÄ¹ÌÌå |
C¡¢¢Ù¢Ú¢ÛÖÐÈÜÒºµÄÖÊÁ¿ÏàµÈ |
D¡¢¢ÛÖÐÈÜÖÊÖÊÁ¿·ÖÊý×î´ó |