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3 + 5 = 5x1 = 13-6

8 + 6 = 3x6 = 8 + 1

4 - 2 = 3 + 7 = 2 - 1

9x8 = 11 - 4 = 5x5

9 + 1 = 4x0 = 7-7

1x4 = 6 + 3 = 11-8

12 - 5 = 5 + 8 = 4 + 8

7 - 5 = 10 - 5 = 9x9

4 + 9 = 7x3 = 4 + 4

2x7 = 9x2 = 8 + 5

15 - 8 = 7 + 1 = 4x7

5 + 1 = 7 + 6 = 10 - 1

8 - 6 = 9 - 5 = 5x7

10 - 3 = 2x3 = 15-9

9 + 8 = 5x3 = 3 + 9

5x4 = 14 - 9 = 7x2

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16 - 9 = 9 + 4 =

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