MATHEMATICAL KANGAROO 2014 | Adding and getting the biggest whole number

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Peru ALFRAM
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Each of the digits 2, 3, 4 and 5 will be placed in a square.
Then there will be two numbers, which will be added together. What is the biggest number that they could make?
(A) 68 (B) 77 (C) 86 (D) 95 (E) 97



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