Question

Giải hộ với ạ:

a) \(\dfrac{7}{3}+\dfrac{1}{2}-\dfrac{-3}{70}\) ; b) \(\dfrac{5}{12}-\dfrac{3}{-16}+\dfrac{3}{4}\); c) \(\dfrac{-1}{3}.\dfrac{5}{9}\);d)\(\dfrac{-3}{7}.\dfrac{5}{15}\);e) \(\dfrac{-15}{9}.\dfrac{5}{9}\);g)\(\left(-5\right).\dfrac{5}{11}\);h)\(\dfrac{-5}{6}:\dfrac{2}{7}\);i) \(-10:\dfrac{2}{3}\); k)\(\dfrac{3}{5}:\left(-5\right)\); g)\(\dfrac{9}{32}:\dfrac{3}{16}\); m) \(\dfrac{10}{21}-\dfrac{3}{8}.\dfrac{4}{15}\);n) (\(\dfrac{2}{3}+\dfrac{3}{4}\)) . (\(\dfrac{5}{7}+\dfrac{5}{14}\))

Giải đc mình tick cho nha =(

Answer 1

Chắc ko

 

Answer 2

nhìn thấy nản

Answer 3

Thấy mà hết muốn làm

Answer 4

b: \(=\dfrac{5}{12}+\dfrac{3}{16}+\dfrac{3}{4}\)

\(=\dfrac{20}{48}+\dfrac{9}{48}+\dfrac{36}{48}=\dfrac{65}{48}\)

c: \(=-\dfrac{5}{27}\)

d: \(=\dfrac{-3}{7}\cdot\dfrac{1}{3}=\dfrac{-1}{7}\)

h: \(=\dfrac{-5}{6}\cdot\dfrac{7}{2}=\dfrac{-35}{12}\)

i: \(=-10\cdot\dfrac{3}{2}=-15\)