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Liliana1979
a fost răspuns

determină numerele naturale de forma x5y care verifică simultan condițiile:a)x=y+3;b)400<x5y<770​

Răspuns :

Marinamadalina
Y=0,1,2,3,4,5,6,7,8,9
X=4,5,6,7
Nr. Sunt
450,451,452,453,454,455,456,457,458,459,550,551,552,553,554,555,,556,557,558,559,650,651,652,653,654,655,656,657,658,659,750,751,752,753,754,755,756,757,758,759

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