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aflati numerele de forma αb barat stiind ca ab barat + ba barat = 44
dau coroana


Răspuns :

ab + ba = 44
10a + b + 10b + a = 44
11a + 11b = 44
11(a + b) = 44
a + b = 4
ab ∈ {13, 22, 31, 40}
ab + ba = 44
10a + b + 10b + a = 44
11a + 11b = 44
11x(a + b) = 44
a + b = 4