Частина 1. Номер 66
28 + 2 = 30;
27 + 3 = 30;
64 + 6 = 70;
29 + 10 = 39;
45 + 5 = 50;
21 - 1 = 20;
90 - 7 = 83;
40 - 9 = 31;
43 - 3 = 40;
60 - 5 = 55.
28 + 2 = 30;
27 + 3 = 30;
64 + 6 = 70;
29 + 10 = 39;
45 + 5 = 50;
21 - 1 = 20;
90 - 7 = 83;
40 - 9 = 31;
43 - 3 = 40;
60 - 5 = 55.