Приёмы быстрого счёта
24 примера
Имя
Дата
- 83 × 9 =
- 38 × 5 =
- 27 × 11 =
- 18 × 25 =
- 18 × 18 =
- 11 × 11 =
- 77 × 11 =
- 29 × 25 =
- 59 × 25 =
- 24 × 5 =
- 13 × 13 =
- 54 × 25 =
- 69 × 25 =
- 25 × 11 =
- 28 × 25 =
- 29 × 5 =
- 28 × 28 =
- 27 × 9 =
- 36 × 11 =
- 32 × 5 =
- 61 × 9 =
- 37 × 5 =
- 53 × 9 =
- 24 × 24 =
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Приёмы счёта