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y- cyfra jednostek
10x+y -szukana liczba
100x+50+y=11(10x+y)
100x+50+y=110x+11y
10y=50-10x
y=5-x
x=|0|1|2|3|4|5
y=|5|4|3|2|1|0
odp szukane liczby to:
14,23,32,41,50