Question 1128994
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The largest number of five {{{highlight(cross(digit))}}} <U>digits</U> which {{{highlight(cross(are))}}} <U>is</U> {{{highlight(a)}}} perfect {{{highlight(cross(squares))}}} <U>square</U>.
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<pre>
{{{sqrt(100000)}}} = 316.2.


<U>Answer</U>.  316.
</pre>

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Could you write a bit more accurate ?