Приёмы быстрого счёта
24 примера
Имя
Дата
- 30 × 30 =
- 12 × 5 =
- 11 × 11 =
- 69 × 9 =
- 38 × 9 =
- 38 × 11 =
- 72 × 25 =
- 23 × 25 =
- 16 × 16 =
- 90 × 11 =
- 22 × 25 =
- 66 × 5 =
- 54 × 9 =
- 26 × 9 =
- 55 × 11 =
- 68 × 11 =
- 18 × 18 =
- 96 × 11 =
- 77 × 25 =
- 94 × 5 =
- 26 × 26 =
- 71 × 11 =
- 12 × 12 =
- 75 × 9 =
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Приёмы счёта