1...2...3...4...5...6=7 kak rewit eto?

Question

1...2...3...4...5...6=7 kak rewit eto?

Answer 1

1 + 2 - 3 - 4 + 5 + 6 = 7

1 + 2 = 3

3 - 3 = 0

0 - 4 = -4

-4 + 5 = 1

1 + 6 = 7