Tính: \(\dfrac{5}{24}+\dfrac{11}{3}-\dfrac{9}{4}\)
\(\dfrac{13}{8}.\)\(\dfrac{13}{24}.\)\(\dfrac{7}{23}.\)\(\dfrac{5}{12}.\)Hướng dẫn giải:\(\dfrac{5}{24}+\dfrac{11}{3}-\dfrac{9}{4}=\dfrac{5}{24}+\dfrac{11.8}{3.8}-\dfrac{9.6}{4.6}=\dfrac{5+88-54}{24}=\dfrac{39}{24}=\dfrac{13}{8}\)
