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adding doubles

  • Game Code: 328470
  •  English    11     Public
    adding doubles
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  • 0+0 =
    0
  •  15
  • 1+1 =
    2
  •  15
  • 2+2 =
    4
  •  15
  • 3+3 =
    6
  •  15
  • 4+4 =
    8
  •  15
  • 5+5 =
    10
  •  15
  • 6+6 =
    12
  •  15
  • 7+7 =
    14
  •  15
  • 8+8 =
    16
  •  15
  • 9+9 =
    18
  •  15
  • 10+10 =
    20
  •  15
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