pạn có cần mik mua cho cái máy tính k? ( bấm cũng sai )

\(=\dfrac{5}{6}+\dfrac{3}{12}=\dfrac{5.2}{6.2}+\dfrac{3}{12}=\dfrac{10+3}{12}=\dfrac{13}{12}\)

\(\dfrac{4}{10};\dfrac{6}{15};\dfrac{8}{20};\dfrac{10}{25};\dfrac{12}{30}\)

nấm có xenlu ko ta :)

kcj

\(=\dfrac{-1.3}{2.3}+\dfrac{3}{6}=\dfrac{-3+3}{6}=\dfrac{0}{6}=0\)

were destroyed by the typhoon.