Приёмы быстрого счёта
24 примера
Имя
Дата
- 23 × 23 =
- 58 × 5 =
- 65 × 9 =
- 49 × 25 =
- 51 × 11 =
- 14 × 14 =
- 34 × 9 =
- 94 × 25 =
- 52 × 25 =
- 57 × 9 =
- 91 × 9 =
- 19 × 19 =
- 60 × 5 =
- 89 × 11 =
- 90 × 11 =
- 16 × 16 =
- 44 × 11 =
- 27 × 27 =
- 16 × 11 =
- 48 × 5 =
- 19 × 5 =
- 26 × 11 =
- 18 × 5 =
- 83 × 25 =
mathz.ru
Приёмы счёта