Răspuns :
p=164
ac=ab
4ab=2bc => 2ab=bc
p=ab+ac+bc
p=ab+ab+2ab
p=4ab
164=4ab
ab=41=ac
bc=2ab=82
ac=ab
4ab=2bc => 2ab=bc
p=ab+ac+bc
p=ab+ab+2ab
p=4ab
164=4ab
ab=41=ac
bc=2ab=82