Răspuns :
a+b = 86
a:b=3 rest 2 => a=3b+2
3b+2 +b = 86
4b+2-=86
4b=86-2=84
b=84:4=21
a=3x21+2=63+2=65
a:b=3 rest 2 => a=3b+2
3b+2 +b = 86
4b+2-=86
4b=86-2=84
b=84:4=21
a=3x21+2=63+2=65
a+b=86
a:b=3r2
a=3b+2
inlocuim:
3b+2+b=86|-2
4b=84|:4
b=21
a=3x21+2=63+2=65
a:b=3r2
a=3b+2
inlocuim:
3b+2+b=86|-2
4b=84|:4
b=21
a=3x21+2=63+2=65