a) \(\dfrac{8}{40}+\dfrac{-36}{45}\)
b) \(\dfrac{3}{5}+\dfrac{4}{-7}\)
c) \(\dfrac{8}{40}+\dfrac{-36}{45}\)
d) \(\dfrac{3}{5}+\dfrac{4}{-7}\)
e) \(\dfrac{4}{9}-\dfrac{-5}{6}\)
f) \(\dfrac{6}{7}+\dfrac{1}{7}.\dfrac{2}{7}+\dfrac{1}{7}.\dfrac{5}{7}\)
g) \(\dfrac{4}{9}.\dfrac{13}{3}-\dfrac{4}{3}.\dfrac{40}{9}\)
h) \(8\dfrac{2}{7}-\left(3\dfrac{4}{9}+4\dfrac{2}{7}\right)\)
i) \(\left(10\dfrac{2}{9}+2\dfrac{3}{5}\right)-6\dfrac{2}{9}\)
k) \(\dfrac{7}{19}.\dfrac{8}{11}+\dfrac{7}{19}.\dfrac{3}{11}-\dfrac{26}{19}\)
Loga
Toán lớp 6
