Number Sense Patterns Missing Operator — Set 24

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easy Set 24
  1. 3 ○ 3 = 9, what is ○?
  2. 7 ○ 1 = 8, what is ○?
  3. 10 ○ 10 = 20, what is ○?
  4. 28 ○ 4 = 7, what is ○?
  5. 30 ○ 5 = 6, what is ○?
  6. 20 __ 10 = 2
  7. 3 ○ 8 = 24, what is ○?
  8. 16 __ 8 = 8
  9. 4 ○ 3 = 7, what is ○?
  10. 6 ○ 6 = 12, what is ○?
  11. 40 __ 4 = 10
  12. 40 __ 8 = 5
  13. 7 __ 3 = 10
  14. 35 __ 7 = 5
  15. 40 ○ 5 = 8, what is ○?
  16. 6 __ 5 = 11
  17. 9 ○ 6 = 54, what is ○?
  18. 7 ○ 4 = 3, what is ○?
  19. 10 __ 2 = 20
  20. 8 __ 10 = 80
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