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3 / 4 + 1 = 4 * 1 = 4 3 + 4 = 7 3 / 5 + 1 = 5 * 1 = 5 3 + 5 = 9 12 / 5 - 1 = 5 * 1 = 5 12 - 5 = 8 1 - 5 / 6 = 1 * 6 = 6 6 - 5 = 1.

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Camus1
10

3 / 4 + 1 = 4 * 1 = 4

3 + 4 = 7

3 / 5 + 1 = 5 * 1 = 5

3 + 5 = 9

12 / 5 - 1 = 5 * 1 = 5

12 - 5 = 8

1 - 5 / 6 = 1 * 6 = 6

6 - 5 = 1.