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What time is being asked for?
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Hemme's mathematical puzzles: How should the digits be arranged?: How can the digits be arranged so that their sums are equal?
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Hemme's mathematical puzzles: How should the digits be arranged?
Hemme's mathematical puzzle: Which value are we looking for?: What is the fifth term of the arithmetic sequence?
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Hemme's mathematical puzzle: Which value are we looking for?
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Hemme's mathematical puzzle: Which number are you looking for?
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Hemme's mathematical puzzle: Which natural numbers are we looking for?
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Hemme's mathematical puzzle: How many years are you looking for?
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Hemme's mathematical puzzle: Which pairs of years are needed?
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Hemme's mathematical puzzle: Which numbers are you looking for?
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Hemme's mathematical puzzle: Which numbers are we looking for?
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Hemme's mathematical puzzle: Which four numbers are you looking for?: Which four natural numbers make up this product?
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Hemme's mathematical puzzle: Which four numbers are you looking for?
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