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-   -   Ê¶ÔµÔ Á.»ÅÒ (https://www.mathcenter.net/forum/showthread.php?t=3384)

mercedesbenz 21 µØÅÒ¤Á 2007 18:28

Ê¶ÔµÔ Á.»ÅÒÂ
 
·èÒ¹¼ÙéÃÙé·Ñé§ËÅÒªèÇ´ÙãËé˹è͹ФÃѺ à»ç¹¢éÍÊͺ àÃ×èÍ§Ê¶ÔµÔ Á.»ÅÒÂ
àÁ×èÍÊͧ»Õ¡è͹ ¹Ñ¡àÃÕ¹Ëéͧ˹Öè§ ÁÕ 30 ¤¹ áºè§ÍÍ¡à»ç¹Êͧ¡ÅØèÁ
¡ÅØèÁ·Õè˹Öè§ÁÕ 10 ¤¹ ·Ø¡¤¹ÁÕÍÒÂØ 10 »Õ áÅÐ
¡ÅØèÁ·ÕèÊͧ ÁÕ 20 ¤¹ ÁÕÍÒÂØà©ÅÕè 8.5 »Õ
¶éÒ¤ÇÒÁá»Ã»Ãǹ¢Í§ÍÒÂعѡàÃÕ¹㹡ÅØèÁ·ÕèÊͧ à·èҡѺ 0 áÅéÇ
㹻Ѩ¨ØºÑ¹ ¤ÇÒÁá»Ã»Ãǹ¢Í§ÍÒÂعѡàÃÕ¹ã¹Ëéͧ¹Õé à·èҡѺ¢éÍã´µèÍ仹Õé
1. $\frac{1}{2}$
2.$\frac{2}{3}$
3.$\frac{5}{2}$
4.$\frac{8}{3}$

t.B. 21 µØÅÒ¤Á 2007 19:25

Hint:
1.Ëéͧáá·Ø¡¤¹ÍÒÂØ10»ÕËÁ´àÅ ´Ñ§¹Ñ鹤ÇÒÁá»Ã»ÃǹËéͧááà»ç¹..??
2.ËÒ¤ÇÒÁá»Ã»ÃǹÃÇÁ


àÇÅÒ·ÕèáÊ´§·Ñé§ËÁ´ à»ç¹àÇÅÒ·Õè»ÃÐà·Èä·Â (GMT +7) ¢³Ð¹Õéà»ç¹àÇÅÒ 18:01

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