Răspuns :
a-b=747
a=6b+37
6b+37-b=747
5b+37=747 |-37
5b=710
b=142
a=747+142
a=889
a=6b+37
6b+37-b=747
5b+37=747 |-37
5b=710
b=142
a=747+142
a=889
a-b=747
b:a=6 rest 37⇒b=6a+37
a-6a+37=747
5a=747-37
5a=710
a=710:5
a=142
b=6x142+37
b=889
V: 889-142=747
b:a=6 rest 37⇒b=6a+37
a-6a+37=747
5a=747-37
5a=710
a=710:5
a=142
b=6x142+37
b=889
V: 889-142=747