What is 12 + 23 + 34?
Answer
69
The correct answer is 69 — The final sum is .
Step-by-step solution
- Add the first two numbers: .
- Add the result to the third number: .
- The final sum is .
Common mistake: Adding wrong pairs or forgetting one number
Concept tested: Addition of three two-digit numbers
Published · How this solution was prepared and checked
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