Răspuns :
a+b=150
a-b=38 => a=38+b
a+b=150 => 38+b+b=150 => 2b=150-38 => 2b=112 => b=56
a=38+b => a=38+56 => a=94
a-b=38 => a=38+b
a+b=150 => 38+b+b=150 => 2b=150-38 => 2b=112 => b=56
a=38+b => a=38+56 => a=94
a+b=150
a-b=38 => a=38+b
a+b=150 => 38+b+b=150 => 2b=150-38 => 2b=112 => b=56
a=38+b => a=38+56 => a=94
a-b=38 => a=38+b
a+b=150 => 38+b+b=150 => 2b=150-38 => 2b=112 => b=56
a=38+b => a=38+56 => a=94