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773
(245 + 1745) - m= 873
n - (8740 – 2903) = 157​


Răspuns :

Răspuns:

(245+1745)-m=873 <=> 1990-m=873 <=> m=1990-873 => m=1117

n-(8740-2903)=157 <=> n-5837=157 <=> n=157+5837 => n=5994