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Missing Addend




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Find the missing number. You may use the TAB key to move to the next question. When you are done, click Submit.

  1. + 0 = 20
  2. + 43 = 53
  3. + 0 = 62
  4. + 54 = 141
  5. + 70 = 96
  6. + 61 = 146
  7. + 14 = 58
  8. 4 + = 102
  9. 74 + = 145
  10. 89 + = 158
  11. + 21 = 107
  12. 28 + = 113
  13. 51 + = 114
  14. + 39 = 59
  15. 21 + = 85
  16. 13 + = 80
  17. + 65 = 100
  18. + 62 = 117
  19. 69 + = 119
  20. 52 + = 151

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