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8 + 6 = 11 - 9

8x4 = 4 + 3 = 6 - 3 —

4 + 7 = 3x6 = 6 + 0

2x4 = 15 - 7 = 8 + 2 —

1x9 = 8 + 5 = 2 x9

6 + 5 = 6 - 4 = 8 - 3 —

4 - 1 = 7x7 = 6 X 7 —

6x6 = 3 + 5 = 10 - 4 —

11 - 6 = 15 - 9 = 5 + 5 —

5 + 2 = 4x2 = 8 x3 —

9 + 2 = 14 - 5 = 2 + 7 —

10 - 2 = 2 + 9 = 14 - 8

3x5 = 9 - 8 = 7 - 1 —

7 - 6 = 4 + 7 = 3 X 2 —

3x4 = 3 + 4 = 7 + 3 —

4x4 = 9x6 = 12 - 8 —

1 + 6 = 10 - 6 = 9 X 8 —