Приёмы быстрого счёта
24 примера
Имя
Дата
- 77 × 5 =
- 26 × 11 =
- 26 × 5 =
- 95 × 5 =
- 49 × 11 =
- 91 × 9 =
- 93 × 25 =
- 59 × 5 =
- 60 × 5 =
- 96 × 11 =
- 58 × 9 =
- 77 × 9 =
- 78 × 25 =
- 28 × 11 =
- 13 × 13 =
- 16 × 5 =
- 20 × 20 =
- 26 × 26 =
- 17 × 9 =
- 57 × 25 =
- 29 × 29 =
- 47 × 11 =
- 22 × 25 =
- 28 × 25 =
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Приёмы счёта