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10 Cards in this Set

  • Front
  • Back
54-54=
0
78+2=
80
52-23=
29
78 + 98 =
176
12+13=
25
102*52=
5,304
how many days are in one revolation:
365 1 of 4 days
56 + 65=
121
565-56=
509
67 + 56=
123