Приёмы быстрого счёта
24 примера
Имя
Дата
- 48 × 5 =
- 5 × 25 =
- 65 × 5 =
- 76 × 5 =
- 87 × 9 =
- 18 × 18 =
- 24 × 11 =
- 22 × 22 =
- 16 × 16 =
- 33 × 11 =
- 92 × 11 =
- 14 × 9 =
- 37 × 25 =
- 38 × 25 =
- 62 × 9 =
- 12 × 11 =
- 12 × 12 =
- 89 × 9 =
- 24 × 24 =
- 49 × 25 =
- 87 × 11 =
- 76 × 25 =
- 15 × 15 =
- 34 × 5 =
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Приёмы счёта