ThatQuiz 试题库 现在参加这个测试
doubles
供稿人: Burke
(原作者: Barger)
  • 1. 1 + 1 =
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  • 11. 1 + 1 =
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  • 16. 6 + 6 =
  • 17. 7 + 7 =
  • 18. 8 + 8 =
  • 19. 9 + 9 =
  • 20. 10 + 10 =
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