Răspuns :
[tex]\it \dfrac{3}{7} \: din \: 560 = \\ \\ (560 \div 7) \times 3 = \\ \\ 80 \times 3 = 240[/tex]
[tex]\it => \boxed { \dfrac{3}{7}~din~560~m~=~240~m}[/tex]
[tex]\it => \boxed { \dfrac{3}{7}~din~560~m~=~240~m}[/tex]