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AMO · 2027 · Grades 6-7 · Self-study SET 29 Question 12

AMO

Question 12

What is the value of $(115+114+113+112+111)-(101+102+103+104+105)$?

**Input:** Choose one option.
  1. 10
  2. 30
  3. 50
  4. 55
  5. 60