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ex 17 urgent dau coroana!!!

Ex 17 Urgent Dau Coroana class=

Răspuns :

(L+l+h)/3=20 =>L+l+h=60
(L+l)/2=25 => L+l=50 =>h=10
h=l/2 => l=20 =>L=30
V=30×20×10=6000 cm^3