Question

( 75%+\(\dfrac{7}{3}\)): ( \(\dfrac{2}{9}\) -2\(\dfrac{5}{2}\))

Answer 1

Quy đồng ra nhé

Answer 2

\(=\dfrac{37}{12}:\left(-\dfrac{77}{18}\right)=-\dfrac{111}{154}\)

Answer 3

\(=\left(\dfrac{3}{4}+\dfrac{7}{3}\right):\left(\dfrac{2}{9}-\dfrac{9}{2}\right)\)

\(=\dfrac{37}{12}:\dfrac{-77}{18}\)

\(=\dfrac{-111}{154}\)

Answer 4

\(\left(75\%+\dfrac{7}{3}\right):\left(\dfrac{2}{9}-2\dfrac{5}{2}\right)\)

\(=\left(\dfrac{3}{4}+\dfrac{7}{3}\right):\left(\dfrac{2}{9}-\dfrac{9}{2}\right)\)

\(=\left(\dfrac{9}{12}+\dfrac{28}{12}\right):\left(\dfrac{4}{18}-\dfrac{81}{18}\right)\)

\(=\dfrac{37}{12}:\dfrac{-77}{18}\)

\(=-\dfrac{111}{154}\)