1. Заполни пропуски: 31, 32, □, □, □, □, □, □; 59, 58, □, □, □, □, □, □; □, □, 66, 65, 64, □, □, □; 42, 43, □, □, □, □, □, □; 10, 20, □, □, □, □, □, □; 70, 72, 74, □, □, □, □, □; 50, 48, □, □, □, □, 38, □; 80, 78, □, 72, □, □, □, □; 36, 34, □, □, □, □, □, □.

Заполняем ряды чисел по заданному правилу.

1. 31, 32, 33, 34, 35, 36, 37, 38
2. 59, 58, 57, 56, 55, 54, 53, 52
3. 68, 67, 66, 65, 64, 63, 62, 61
4. 42, 43, 44, 45, 46, 47, 48, 49
5. 10, 20, 30, 40, 50, 60, 70, 80
6. 70, 72, 74, 76, 78, 80, 82, 84
7. 50, 48, 46, 44, 42, 40, 38, 36
8. 80, 78, 76, 72, 70, 68, 66
9. 36, 34, 32, 30, 28, 26, 24, 22