Question

a) \(\dfrac{2}{3}\) b) \(\dfrac{1}{2}\)  h)\(\dfrac{9}{4}\)
tính diện tích hình thang

Answer 1

\(S:\left(\dfrac{2}{3}+\dfrac{1}{2}\right)\times\dfrac{9}{4}:2=\dfrac{5}{6}\times\dfrac{9}{4}:2=\dfrac{5\times9\times1}{6\times4\times2}=\dfrac{45}{24}\)

Answer 2

a: \(S=\left(\dfrac{2}{3}+\dfrac{1}{2}\right):2\cdot\dfrac{9}{4}=\dfrac{21}{16}\)

Answer 3