13 – 4 6 + 6 7 + 5 17 – 8 9 + 4 12 – 3 9 + 7

Post on 05-Jan-2016

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13 – 4

6 + 6

7 + 5

17 – 8

9 + 4

12 – 3

9 + 7

11 – 8

8 + 8

12 – 5

6 + 7

11 – 4

14 – 7

12 – 9

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