92.--DIGITAL SQUARE NUMBERS.

From Amusements in Mathematics by Henry Ernest Dudeney.

Here are the nine digits so arranged that they form four square numbers: 9, 81, 324, 576. Now, can you put them all together so as to form a single square number--(I) the smallest possible, and (II) the largest possible?

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92.--DIGITAL SQUARE NUMBERS.: Amusements in Mathematics by Henry Ernest Dudeney | amphi