1+1=11 | OpenAI | Page 1

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The knowledge sources don’t discuss basic arithmetic facts like “1+1”, so they don’t explicitly state whether `1+1=11` is correct or not. They focus on techniques for improving reasoning and math reliability (e.g., step‑by‑step solutions and math‑tutor examples), all of which implicitly treat addition as standard arithmetic where `1 + 1` is evaluated numerically, not by string concatenation. [Techniques reliability; Math tutor example]