Приёмы быстрого счёта
24 примера
Имя
Дата
- 66 × 5 =
- 13 × 11 =
- 77 × 9 =
- 81 × 9 =
- 74 × 11 =
- 28 × 9 =
- 89 × 25 =
- 6 × 25 =
- 44 × 25 =
- 26 × 26 =
- 46 × 11 =
- 47 × 11 =
- 25 × 25 =
- 21 × 5 =
- 72 × 9 =
- 48 × 5 =
- 32 × 9 =
- 15 × 9 =
- 90 × 5 =
- 78 × 5 =
- 17 × 17 =
- 15 × 5 =
- 58 × 25 =
- 23 × 23 =
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Приёмы счёта