Răspuns :
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hartie 1/4 din 824 =206 kg prin urmare fiecare segment este de 206
sticle 206x2 = 412kg
pet 206kg
824*1/4=206 hartie
824-206=618
618*2/3=412 sticle
206+412=618
824-618=206 PET-uri
824-206=618
618*2/3=412 sticle
206+412=618
824-618=206 PET-uri