AI Summary
This advanced strategy piece focuses on structural elimination. "0" behaves uniquely (can't be a leading digit). The "=" sign's position dictates the entire structure of the equation. Finding these two early is more valuable than finding a "5" or "7".
AI Highlights
- The Leading Zero Rule: You can't write "05". This eliminates many positions.
- The Pivot Point: Once you lock the "=", you know exactly how many digits are on each side.
Zero: The Unique Identifier
It often appears in "10", "20", etc., or as a result of subtraction. It's a high-value target.
Pinning the Tail
Guessing an equation with "=" in the 6th spot is a great way to rule out the "3-digit answer" possibility.
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