Răspuns :
a |______a_____|
b |______a_____|..20..|
a+a+20=248
2xa=248-20
2xa=228
a=228:2
a=114
b=114+20
b=134
b |______a_____|..20..|
a+a+20=248
2xa=248-20
2xa=228
a=228:2
a=114
b=114+20
b=134