Răspuns :
a |-----|-7-| } 27
b |-----|
27 - 7 = 20 ( 2 segmente egale )
20 : 2 = 10 ( un segment )
a = 10 + 7
a = 17
b = 10
b |-----|
27 - 7 = 20 ( 2 segmente egale )
20 : 2 = 10 ( un segment )
a = 10 + 7
a = 17
b = 10