Ответ:
- \(124+348=472\).
- \(523+294=817\).
- \(513+767=1280\).
- \(606+318=924\).
- \(641-335=306\).
- \(525-143=382\).
- \(864-270=594\).
- \(407-134=273\).
- \(923+254-233=1177-233=944\).
- \(647+524-436=1171-436=735\).
- \(760-462+524=298+524=822\).
- \(989-675+583=314+583=897\).
