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21 April, 13:36

Write one digit on the both sides of 57 to make the number divisible by 72. How many solutions does this problem have?

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  1. 21 April, 13:44
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    0the last digit would have to be 2,4 6 or 8

    I guess you could find try dividing 1252, 1254 1256 1258 2252 etc till you find one

    i found one : 9576. (9576 / 72 = 133)

    There may be an easier way to do this.
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