Number Sense Patterns Missing Operator — Set 68

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easy Set 68
  1. 10 __ 10 = 100
  2. 9 ○ 2 = 18, what is ○?
  3. 15 __ 5 = 3
  4. 17 __ 7 = 10
  5. 10 __ 2 = 12
  6. 1 ○ 10 = 11, what is ○?
  7. 7 ○ 8 = 56, what is ○?
  8. 14 ○ 10 = 4, what is ○?
  9. 5 __ 1 = 4
  10. 5 __ 5 = 10
  11. 9 __ 2 = 7
  12. 7 __ 8 = 56
  13. 7 __ 5 = 12
  14. 40 ○ 4 = 10, what is ○?
  15. 7 __ 8 = 15
  16. 9 __ 8 = 17
  17. 7 ○ 3 = 21, what is ○?
  18. 5 ○ 4 = 1, what is ○?
  19. 9 __ 10 = 19
  20. 8 ○ 4 = 4, what is ○?
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