1. **State the problem:** We need to find the sum of 67 and 67.
2. **Formula used:** Addition of two numbers is given by $a + b$.
3. **Apply the formula:** Here, $a = 67$ and $b = 67$.
4. **Calculate:**
$$67 + 67 = 134$$
5. **Conclusion:** The sum of 67 and 67 is 134.
Simple Addition F29921
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