a+b = 132
(a+b):(a-b) = 5 rest 12
a+b = 5×(a-b)+12
132 = 5×(a-b)+12
5×(a-b) = 132-12
5×(a-b) = 120
a-b = 120:5
a-b = 24 => a = b+24
a |____|+24
b |____|
2 sgmente egale+24 = 132
132-24 = 108
108:2 = 54 ( un segment)
a = 54+24 = 78
b = 54
Verificare:
78+54 = 132
78-54 = 24
a = 78
b = 54