x = x = bc ac b a x a = x = x = b c ba ac c b x = x = bc 2a ba 2c 2x a = x = x = b c 2ba 2ac c b a = a = 18y 2z xy xz 3a x = a = a = 6y z 18xy 2xy z z a = a = 3xy 2xy 2z 3z 4a x = a = a = 6z 8y 3z 3z xy xy x = x = bc ac b a c a = x = x = x b ba ac c b x = x = bc 2a ba 2c 2x a = x = x = b c 2ba 2b ac c a = a = 18y 2z xy xz 3z x = a = a = 6y a 18xy 2xy z z a = a = 3xz 2xy 2y 3z 4x a = a = a = 6z 8y 3z 3z xy xy a = a = 10xy 5xz 3z 6y 3z x = a = a = 2a 5y 15z 5xy 2xy 6z x = x = 12ac 18b 2ac 3b 2x 3a = x = x = 9b 4c 8ba 27c 3ac 2b |