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Va rog frumos ajutati-ma!Am nevoie urgent!


Va Rog Frumos AjutatimaAm Nevoie Urgent class=

Răspuns :

2(AB+2AB/3)=100

2*5AB/3=100

AB/3=10

AB=30 cm

BC=2AB/3=20 cm

as simpkle as thar!!

verificare

20/30=2/3 si 2(30+20)=100

adevarate ambele, deci bine rezolvat