December 2018 1 443 Report

O piscina in forma de paralelipiped dreptunghic are lungimea de 25 m ,latimea de 10 m si adancimea de 2,5 m.
a)calculati aria laterala a bazinului.
b)daca in bazin se pun 10x10x10x10x10 litri de apa,calculati pana la ce inaltime se ridica apa in bazin.
c)stiind ca bazinul se umple printr-un robinet A in 5h,printr-un robinet B in 6h,iar scurgerea bazinului plin se face printr-un robinet C in 3 h,aflati timpul de umplere a bazinului cand toate cele 3 robinete sunt deschise simultan.
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