Answer:
77
Explanation:
20-(+20)-(-65)-(-12)
-(-65)-(-12)
+65-(-12)
+65+12
77
Q) 20-(+20)-(-65)-(-12) = ?
→ 20-(+20)-(-65)-(-12)
→ 20 - 20 + 65 + 12
→ {20 - 20} + {65 + 12}
→ 0 + 77
→ 77 is required solution.
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