terted terted
  • 17-01-2024
  • Mathematics
contestada

200 de grinzi de brad si de stejar , puse intr-o stiva cantaresc 6750 kg. fiecare grinda de brad cantareste 30 kg . iar fiecare grinda de stejar cantareste 45 kg. Cate grinzi de fiecare tip au fost puse in stiva?

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