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Sunday Times Teaser 2740 – X Times

by Victor Bryant

Published: 28 March 2015 (link)

X
X
= = = = = = = = = =
X X
= = = = = = = = = =
X
= = = = = = = = = =

In this long multiplication sum, I am multiplying a three-figure number by itself. Throughout the workings one particular digit has been replaced by X wherever it occurs: all other digits have been replaced by a dash.

What is the three-figure number being squared?

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  1. Brian Gladman permalink

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