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  ±Û¾´ÀÌ : Çܾ²   °íÀ¯ID : haemee     ³¯Â¥ : 11-03-18 17:42     Á¶È¸ : 6207    
¹°ÀÌ 30µµ¾¾¿¡¼­ 270 m3/hr°¡ µÇ·Á¸é
 
25µµ¾¾¿Í 42µµ¾¾Àǹ°ÀÌ °¢°¢ ¸î m3/hr°¡ µé¾î°¡¾ß Çϳª¿ä?
 
°è»êÇÒ¶§ °í·ÁÇØ ÁÖ¾î¾ß ÇҰ͵鵵 Á» ¾Ë·ÁÁÖ¼¼¿ä ^^

½ºÅ×Æijë Stefano   11-03-20 20:10
ÁßÇлý ¼öÇй®Á¦...
A + B = 270
25A + 42B =30*270
   

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