Bạn đang xem: 2 ( x
$egincases color#FF6800 2 color#FF6800 x color#FF6800 + color#FF6800 y = color#FF6800 3 \ color#FF6800 x color#FF6800 - color#FF6800 2 color#FF6800 y = color#FF6800 4 endcases$
$egincases color#FF6800 y = color#FF6800 - color#FF6800 2 color#FF6800 x color#FF6800 + color#FF6800 3 \ x - 2 y = 4 endcases$
$egincases color#FF6800 y = color#FF6800 - color#FF6800 2 color#FF6800 x color#FF6800 + color#FF6800 3 \ color#FF6800 x color#FF6800 - color#FF6800 2 color#FF6800 y = color#FF6800 4 endcases$
$color#FF6800 x color#FF6800 - color#FF6800 2 left ( color#FF6800 - color#FF6800 2 color#FF6800 x color#FF6800 + color#FF6800 3 ight ) = color#FF6800 4 $
$color#FF6800 x color#FF6800 - color#FF6800 2 left ( color#FF6800 - color#FF6800 2 color#FF6800 x color#FF6800 + color#FF6800 3 ight ) = color#FF6800 4 $
$color#FF6800 y = color#FF6800 - color#FF6800 2 color#FF6800 imes color#FF6800 2 color#FF6800 + color#FF6800 3 $
$color#FF6800 y = color#FF6800 - color#FF6800 2 color#FF6800 imes color#FF6800 2 color#FF6800 + color#FF6800 3 $
$color#FF6800 x = color#FF6800 2 , color#FF6800 y = color#FF6800 - color#FF6800 1 $
$color#FF6800 x = color#FF6800 2 , color#FF6800 y = color#FF6800 - color#FF6800 1 $
$egincases color#FF6800 2 left ( color#FF6800 2 color#FF6800 - left ( color#FF6800 - color#FF6800 1 ight ) ight ) color#FF6800 + color#FF6800 3 color#FF6800 imes left ( color#FF6800 - color#FF6800 1 ight ) = color#FF6800 3 \ color#FF6800 2 color#FF6800 - color#FF6800 2 color#FF6800 imes left ( color#FF6800 - color#FF6800 1 ight ) = color#FF6800 4 endcases$
$egincases color#FF6800 2 left ( color#FF6800 2 color#FF6800 - left ( color#FF6800 - color#FF6800 1 ight ) ight ) color#FF6800 + color#FF6800 3 color#FF6800 imes left ( color#FF6800 - color#FF6800 1 ight ) = color#FF6800 3 \ color#FF6800 2 color#FF6800 - color#FF6800 2 color#FF6800 imes left ( color#FF6800 - color#FF6800 1 ight ) = color#FF6800 4 endcases$
$egincases color#FF6800 3 = color#FF6800 3 \ color#FF6800 4 = color#FF6800 4 endcases$
$egincases color#FF6800 3 = color#FF6800 3 \ color#FF6800 4 = color#FF6800 4 endcases$
$color#FF6800 x = color#FF6800 2 , color#FF6800 y = color#FF6800 - color#FF6800 1 $
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