Приёмы быстрого счёта
24 примера
Имя
Дата
- 25 × 25 =
- 96 × 11 =
- 70 × 11 =
- 48 × 5 =
- 36 × 25 =
- 80 × 9 =
- 88 × 9 =
- 19 × 19 =
- 82 × 9 =
- 18 × 18 =
- 23 × 23 =
- 43 × 9 =
- 23 × 25 =
- 51 × 25 =
- 28 × 11 =
- 12 × 5 =
- 59 × 9 =
- 49 × 5 =
- 86 × 5 =
- 51 × 11 =
- 10 × 25 =
- 93 × 9 =
- 84 × 9 =
- 64 × 5 =
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Приёмы счёта