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a fost răspuns

stiind ca x si y sunt diferite ,aflati toate numerele naturale de forma xyx care au rotunjirea la zeci aa0

Răspuns :

xyx=505,515,525,535,545,555,565,575,585,595
        606,616,626,636,646,656,666,676,686,696
        707,717,727,737,747,757,767,777,787,797
        808,818,828,838,848,858,868,878,888,898
        909..........................................................999(la fel ca sus)

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