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3 nr pare au suma 906 aflati cele 3 nr

Răspuns :

a |-----|
b |-----|+2|
c |-----|+2|+2|      } 906.

906 - 6 = 900 ( 3 segmente egale)
900 : 3 = 300 (a)
300 + 2 = 302 (b)
300 +2+2 = 304 (c)
Proba : 300 + 302 + 304 = 906.