¥Ñ Tzwan ©ó ¬P´Á¤T ¤»¤ë 26, 2013 10:46 am
¥O¿ú½c¸Ì¦³xÓ¤Q¤¸, yÓ¤¤¸, zÓ¤G¤¸µw¹ô.
«h¥i±o¤T¤¸¤@¦¸Áp¥ß¤èµ{¦¡:
x + y + z = 48 ----(1)
z = 2y - 7 ----(2)
10x + 5y + 2z = 200 ----(3)
¸Ñ¦¹Áp¥ß¤èµ{:
(3)-10*(1)
=>-5y - 8z = -280 ----(4)
(4)+8*(2)
=>-21y = -336
=>y = 16 ¥N¤J(2)
=>z = 25 ¥N¤J(1)
=>x = 7
7Ó¤Q¤¸, 16Ó¤¤¸, 25Ө⤸