Приёмы быстрого счёта
24 примера
Имя
Дата
- 62 × 5 =
- 8 × 25 =
- 42 × 11 =
- 47 × 25 =
- 58 × 11 =
- 13 × 25 =
- 24 × 24 =
- 18 × 18 =
- 76 × 5 =
- 71 × 5 =
- 25 × 25 =
- 23 × 9 =
- 16 × 25 =
- 78 × 11 =
- 84 × 9 =
- 72 × 9 =
- 85 × 25 =
- 50 × 5 =
- 28 × 9 =
- 4 × 25 =
- 89 × 5 =
- 96 × 5 =
- 59 × 11 =
- 14 × 14 =
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Приёмы счёта