Приёмы быстрого счёта
24 примера
Имя
Дата
- 20 × 5 =
- 84 × 5 =
- 23 × 23 =
- 41 × 11 =
- 86 × 11 =
- 20 × 20 =
- 4 × 25 =
- 47 × 5 =
- 67 × 9 =
- 48 × 9 =
- 75 × 25 =
- 60 × 11 =
- 69 × 25 =
- 12 × 9 =
- 39 × 5 =
- 94 × 5 =
- 79 × 9 =
- 94 × 11 =
- 13 × 13 =
- 7 × 25 =
- 24 × 24 =
- 27 × 5 =
- 43 × 25 =
- 45 × 25 =
mathz.ru
Приёмы счёта