Ответ:

Решение:

  1. \( 72 - 64 : 8 = 72 - 8 = 64 \)
  2. \( (37 + 5) : 7 = 42 : 7 = 6 \)
  3. \( 63 : 9 • 8 = 7 • 8 = 56 \)
  4. \( 36 + (50 - 13) = 36 + 37 = 73 \)
  5. \( 25 : 5 • 9 - 13 = 5 • 9 - 13 = 45 - 13 = 32 \)
  6. \( 72 : 9 • 4 - 15 = 8 • 4 - 15 = 32 - 15 = 17 \)