Răspuns :
a - b = 9;
3a + 3b = 363 => 3( a + b ) = 363 => a + b = 121; dar a - b = 9 => 2a = 130 => a = 65 => b = 56.
Bafta !
3a + 3b = 363 => 3( a + b ) = 363 => a + b = 121; dar a - b = 9 => 2a = 130 => a = 65 => b = 56.
Bafta !