Question

Tính giá trị biểu thức 11/12 : 7/24 × 21/22

Answer 1

\(\dfrac{11}{12}:\dfrac{7}{24}\times\dfrac{21}{22}=\dfrac{11}{12}\times\dfrac{24}{7}\times\dfrac{21}{22}=\dfrac{22}{7}\times\dfrac{21}{22}=3\)

Answer 2

\(\dfrac{11}{12}:\dfrac{7}{24}\times\dfrac{21}{22}=\dfrac{11}{12}\times\dfrac{24}{7}\times\dfrac{21}{22}=\dfrac{22}{7}\times\dfrac{21}{22}=3\)

Answer 3

\(\dfrac{22}{7}x\dfrac{21}{22}=\dfrac{21}{7}=\dfrac{3}{1}\)