a = 1, b = -1, c = 2, d = -2 হলে, a- (-b) – (-c) - (-d) এর মান কত?

1. a = 1, b = -1, c = 2, d = -2 হলে, a- (-b) – (-c) - (-d) এর মান কত?

[15 th BCS Preliminary : 1993]

1. 2

2. 0

3. 1

4. 3

Answer

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