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afla a b c stiind ca
A) 80:a=b
B) b:c=10
C) 80:c=10


Răspuns :

80:c=10 -> c=80:10 -> c=8
b:c=10 -> b:8=10 -> b=8x10 -> b=80
80:a=b -> 80:a=80 -> a=80:80 -> a=1