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10 Cards in this Set
 Front
 Back
If 15+5=20
Then 205= 
15


If 9 + 3 = 12
Then, 123= 
9


If 6 + 5 = 11,
Then 115 = 
6


If 14+3=17
Then 1714= 
3


If 20+10=30
Then, 3010= 
20


If 100+50=150
Then, 15050= 
100


If 5+8=13
Then, 135= 
8


If 4+7=11
Then, 117= 
4


If 10+4=14
Then 1410= 
4


If 3+7=10
Then, 103= 
7
