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Asked by lian

400 is a three-digit square number that makes a one-digit square number when its digits are reversed.How many three-digit squares are there which make three -digit squares when their digits are reversed
12 years ago

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Answered by PsyDAG
Do you mean "make <B>one</B>-digit squares when reversed"? If so, I can only think of one, 900.
12 years ago

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