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In parc cresc de doua ori mai putin castani decit salcii. Citi pomi de fiecare cresc in parc daca in total sint9210

Răspuns :

/--------------------/  castani
/-------------------/-------------------/ salcii
1+2=3 segmente egale
9210:3=3070  un segment SAU  castani
3070x2=6140 salcii