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a fost răspuns

află numerele necunoscute a.538-x+821=1798 b. x+4281+3584=30000 c. 2030+x-13521=8213

Răspuns :

Alless
a)538-x+821=1738 x+821=2336 x=2336-821 x=1515 b)x+4281+3584=30000 x+4281=30000-3584 x+4281=26416 x=26416-4218 x=22135 c)2030+x-13521=8213 2013+x=8213+13521 2030+x=21734 x=21734-2030 x=19704

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