Вопрос:

Выполните вычисления: 1×5; 50:5; 30:3; 90:9; 6×5; 5×3; 64:8; 7×7; 7×2; 7×3; 5×9; 2×7; 4×8; 21:7; 35:7; 4×8; 7×4; 8×3; 9×2; 9×7; 63:7; 8×0; 4×5; 7×4; 8×9; 5×9.

Ответ:

  1. 1 × 5 = 5
  2. 50 : 5 = 10
  3. 30 : 3 = 10
  4. 90 : 9 = 10
  5. 6 × 5 = 30
  6. 5 × 3 = 15
  7. 64 : 8 = 8
  8. 7 × 7 = 49
  9. 7 × 2 = 14
  10. 7 × 3 = 21
  11. 5 × 9 = 45
  12. 2 × 7 = 14
  13. 4 × 8 = 32
  14. 21 : 7 = 3
  15. 35 : 7 = 5
  16. 4 × 8 = 32
  17. 7 × 4 = 28
  18. 8 × 3 = 24
  19. 9 × 2 = 18
  20. 9 × 7 = 63
  21. 63 : 7 = 9
  22. 8 × 0 = 0
  23. 4 × 5 = 20
  24. 7 × 4 = 28
  25. 8 × 9 = 72
  26. 5 × 9 = 45
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