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10 Cards in this Set

  • Front
  • Back
If 15+5=20
Then
20-5=
15
If 9 + 3 = 12
Then,
12-3=
9
If 6 + 5 = 11,
Then
11-5 =
6
If 14+3=17
Then
17-14=
3
If 20+10=30
Then,
30-10=
20
If 100+50=150
Then,
150-50=
100
If 5+8=13
Then,
13-5=
8
If 4+7=11
Then,
11-7=
4
If 10+4=14
Then
14-10=
4
If 3+7=10
Then,
10-3=
7