Ans:-
1+1-12-12-67-972 = ?
we solved this problem by golden formula of plus and minus
( +, - ). In this formula -1 -1 = -2,
∴ -3 -3 = -6,
∴ 1 + 1 = 2,
∴ 3 + 3 = 6
∴ 1 + 1 - 12 - 12 - 67 - 972
↓ ↓
2 -1063
∴ 2 - 1063 = 1061
This is our required Ans:- 1061
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