Răspuns :
a+b=166
a:b=6 rest 19
a=6b+19
6b+19+b=166
7b=166-19
b=147/7=21
a=166-21=145
145+21=166
145:21=6 rest 19
a:b=6 rest 19
a=6b+19
6b+19+b=166
7b=166-19
b=147/7=21
a=166-21=145
145+21=166
145:21=6 rest 19
a+b=166
a:b=6 r 19
a=6b+19
inlocuim pe a
6b+19+b=166
7b+19=166
7b=166-19
7b=147
b=147:7
b=21
a+21=166
a=166-21
a=145
a:b=6 r 19
a=6b+19
inlocuim pe a
6b+19+b=166
7b+19=166
7b=166-19
7b=147
b=147:7
b=21
a+21=166
a=166-21
a=145