7. Вычисли и сделай проверку. _ 75 24 + 43 16 + 64 25 86 - 46 97 - 56

1. $$75 - 24 = 51$$

      75
   - 24
   ---
      51
   

2. $$43 + 16 = 59$$

      43
   + 16
   ---
      59
   

3. $$64 + 25 = 89$$

      64
   + 25
   ---
      89
   

4. $$86 - 46 = 40$$

      86
   - 46
   ---
      40
   

5. $$97 - 56 = 41$$

      97
   - 56
   ---
      41
   

Ответ: $$75 - 24 = 51$$, $$43 + 16 = 59$$, $$64 + 25 = 89$$, $$86 - 46 = 40$$, $$97 - 56 = 41$$