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Mathematics, 28.01.2021 14:00 nana54muller
how can the number 39 be divided into two parts in order that the sum of 2 upon 3 of one part and 3 upon 4 of the other part is 28
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how can the number 39 be divided into two parts in order that the sum of 2 upon 3 of one part and 3...
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