Răspuns :
a:b=7 a=7b
a-b=726 7b-b=726 6b=726 b=726:6 b=121
a=7*121 a=847
proba 847:121=7
a-b=726 7b-b=726 6b=726 b=726:6 b=121
a=7*121 a=847
proba 847:121=7
/../../../../../../../
/../a-b=726
726:6=121
a=121x7=847
b=121
verificare
847:121=7
847-121=726
/../a-b=726
726:6=121
a=121x7=847
b=121
verificare
847:121=7
847-121=726