Вопрос:

Устно реши примеры: 7 × 9; 6 × 6; 3 × 9; 8 × 8; 5 × 6; 9 × 7; 4 × 8; 2 × 6; 7 × 4; 6 × 9; 3 × 8; 9 × 5.

Ответ:

  1. 7 × 9 = 63
  2. 6 × 6 = 36
  3. 3 × 9 = 27
  4. 8 × 8 = 64
  5. 5 × 6 = 30
  6. 9 × 7 = 63
  7. 4 × 8 = 32
  8. 2 × 6 = 12
  9. 7 × 4 = 28
  10. 6 × 9 = 54
  11. 3 × 8 = 24
  12. 9 × 5 = 45