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in parc cresc de 2 ori mai putini castani decit salcii.citi pomi de fiecare fel cresc in parc daca in total sint 9210 copaci?

Răspuns :

c |-----|
s |-----|-----|       } 9210.

9210 : 3 = 3070 castani
3070 x 2 = 6140 salcii
Verificare : 3070 + 6140 = 9210 pomi.
c+a=9210
c=s:2=>s=2c
\-----\(castanii)
\-----\-----\(salcii)
1P+2P=3P(reprezinta9210)
9210:3=3070(castani)
3070 x 2=6140(salcii)