Răspuns :
[tex]a+b=56 \\\\ a:b=3 \ rest 4 \\\\ \boxed{a=3b+4} \\\\ 3b+4+b=56 \\\\ 4b=56-4 \\\\ 4b=52 \ |:4 \\\\ \boxed{\boxed{b=13}} \\\\ a=3*13+4 \\\\ a=39+4 \\\\ \boxed{\boxed{a=43}}[/tex]
a+b=56 a:b=3 rest 4 a? b? va rog ajutati-ma