SC

VÒNG 2

Bài 1: Mèo con nhanh nhẹn

\(\dfrac{1}{2}\) + \(\dfrac{1}{12}\)2 + \(\dfrac{1}{6}\)\(\dfrac{1}{20}\)1 - \(\dfrac{1}{9}\) 
\(\dfrac{1}{15}\) + \(\dfrac{2}{15}\)\(\dfrac{1}{2}\) + \(\dfrac{2}{3}\)\(\dfrac{7}{12}\)\(\dfrac{4}{12}\) 
\(\dfrac{9}{14}\)\(\dfrac{1}{14}\)1 + \(\dfrac{1}{6}\)\(\dfrac{1}{4}\) - \(\dfrac{1}{5}\)\(\dfrac{1}{3}\) - \(\dfrac{2}{9}\) 
\(\dfrac{3}{2}\) + \(\dfrac{2}{3}\)\(\dfrac{1}{5}\)1 - \(\dfrac{8}{9}\)  
\(\dfrac{5}{7}\)1 - \(\dfrac{2}{3}\)\(\dfrac{1}{3}\) + \(\dfrac{5}{9}\)