Dana three various figures not equal to zero we will write out the various two-digit numbers formed by these figures in decimal notation each of which there are no identical figures. The sum of the written-out numbers equally 154. To what equal the greatest of these figures?

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Figure 1, 2, 4. Number 12, 14, 21, 24, 41, 42. The greatest number 42. It is connected with the fact that at the end of numbers there is each figure twice. Their total amount turns out 14, and the sum of figures on one is equal to 7.
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Answer add