Răspuns :
6 sticle de 1/2=3 L compot
8 sticle de 1/4=2 L bulion
10 sticle de 1L=10 L suc de rosii
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total: 3+2+10=15 L
8 sticle de 1/4=2 L bulion
10 sticle de 1L=10 L suc de rosii
----------------------------------------------
total: 3+2+10=15 L