Приёмы быстрого счёта
24 примера
Имя
Дата
- 91 × 5 =
- 90 × 11 =
- 83 × 5 =
- 13 × 13 =
- 34 × 5 =
- 79 × 25 =
- 80 × 5 =
- 53 × 11 =
- 46 × 11 =
- 28 × 28 =
- 17 × 9 =
- 98 × 11 =
- 79 × 5 =
- 71 × 9 =
- 70 × 9 =
- 6 × 25 =
- 32 × 9 =
- 12 × 12 =
- 27 × 25 =
- 59 × 9 =
- 95 × 9 =
- 16 × 16 =
- 30 × 30 =
- 11 × 25 =
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Приёмы счёта