a) \(\dfrac{1}{3}+\dfrac{2}{5}(x+1)=1\) 

b) \(\dfrac{1}{4}+\dfrac{1}{3}:3x=-5\)

a) \(\dfrac{2}{3}.x+\dfrac{5}{7}=\dfrac{3}{10}\)

b)\(\dfrac{3}{4}.x-\dfrac{1}{2}=\dfrac{3}{7}\)

a) \(\dfrac{-4}{7}:x=\dfrac{-2}{5}\)

b) \(\dfrac{2}{3}.x+\dfrac{5}{7}=\dfrac{3}{10}\)

b) \(1\dfrac{5}{9}.x=\dfrac{28}{29}\) 

c) \(x:(\dfrac{-2}{5})=\dfrac{-15}{16}\)

a) \(x.(\dfrac{-3}{7})=\dfrac{5}{7}\)

\(\dfrac{-3737}{4141}và\dfrac{-34}{41}\)

tính cụ thể ra dùm mình luôn nhé 

so sánh

\(\dfrac{1}{2010}và\dfrac{-7}{19}\)

so sánh

\(\dfrac{1}{2010}và\dfrac{-7}{19}\)                                \(\dfrac{497}{-499}và\dfrac{-2345}{2341}\)

\(\dfrac{-3737}{4141}và\dfrac{-37}{41}\)