Nối phép tính cột bên trái với đáp án tương ứng cột bên phải.
\(\dfrac{4}{5}+\dfrac{3}{4}+\dfrac{1}{5}+\dfrac{1}{8}\)||\(\dfrac{15}{8}\)\(\dfrac{4}{9}+\dfrac{1}{14}+\dfrac{13}{14}+\dfrac{5}{9}\)||2\(\dfrac{4}{7}+\dfrac{5}{4}+\dfrac{1}{7}+\dfrac{1}{8}\)||\(\dfrac{117}{56}\)\(\dfrac{7}{9}+\dfrac{5}{8}+\dfrac{3}{4}+\dfrac{1}{3}\)||\(\dfrac{179}{71}\)