Частина 1. Номер 146
21 + 39 = 60;
92 - 68 = 24;
42 + 29 = 71;
45 + 27 = 72;
89 - 77 = 12;
3 • 5 = 15;
3 • 9 = 27;
3 • 7 = 21;
2 • 8 = 16;
2 • 5 = 10.
21 + 39 = 60;
92 - 68 = 24;
42 + 29 = 71;
45 + 27 = 72;
89 - 77 = 12;
3 • 5 = 15;
3 • 9 = 27;
3 • 7 = 21;
2 • 8 = 16;
2 • 5 = 10.