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Successive sums

For each square, you must enter the sum of the two numbers in the adjacent squares, located directly to the left and above. You don't have to sum the numbers from the first row and column, you must use the numbers you've already guessed.
If you guess incorrectly, you'll lose 1 of the 3 lives you have.
Quiz by
stepheroz
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Last updated: April 14, 2026
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First submittedApril 14, 2026
Times taken5
Average score100.0%
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