Răspuns :
a+b=86
a:b=3rest2 => a-2=3b
a=3b+2
3b+2 +b=86
4b+2=86
4b=84
b=21
a=3b+2=3x21+2=63+2=65
a=65
65:21=3rest2
a:b=3rest2 => a-2=3b
a=3b+2
3b+2 +b=86
4b+2=86
4b=84
b=21
a=3b+2=3x21+2=63+2=65
a=65
65:21=3rest2