足し算ドリル（全20問）

  1. 75 + 17 =
  2. 40 + 53 =
  3. 8 + 2 =
  4. 87 + 6 =
  5. 12 + 15 =
  6. 28 + 54 =
  7. 38 + 28 =
  8. 13 + 52 =
  9. 99 + 0 =
  10. 6 + 6 =
  11. 9 + 3 =
  12. 1 + 8 =
  13. 4 + 3 =
  14. 5 + 2 =
  15. 10 + 13 =
  16. 99 + 1 =
  17. 92 + 2 =
  18. 9 + 2 =
  19. 9 + 6 =
  20. 45 + 36 =