ex 6: 3165-2678=487 3100-2613=487 3065-2578=487 2965-2478=487 3160-2673=487 3059-2572=487 3142-2655=487 3087-2600=487 ex7: 9000-8499=501 7001-6291=710 3004-2396=608 2003-999=1004 6005-5194=811 9995-9001=994 9901-7898=2003 9000-8510=490 Sper k te-am ajutat