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Start in the bottom left corner and move either up or right, one square at a time, using the numbers and the mathematical signs along the way. What is the largest total you can make?
| + | 2 | − | 4 | + | 2 |
| 2 | + | 2 | − | 2 | + |
| − | 1 | + | 3 | − | 3 |
| 2 | − | 3 | + | 1 | − |
| + | 1 | − | 3 | + | 2 |
| 3 | + | 3 | − | 2 | + |
Note: this puzzle is not interactive, and the numbers cannot be clicked.
Puzzle Copyright © Kevin Stone
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Hint
Start by going up.
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