Question

1-243-4+5-6+.….…. 99-100 = []
1) - 100 2) 100
9) 50 4) - 50​

Answer 1

Answer:

By grouping in pairs (1–2) + (3–4) + (5–6) + …, + (97–98) + (99-100) each of which equals -1, you will have a total of -50.