Question

\(\dfrac{1}{5}+\dfrac{4}{11}+\dfrac{4}{5}+\dfrac{7}{11}=?\)

➝ https://hoc24.vn/hoi-dap?grade=4

Answer 1

\(\dfrac{1}{5}+\dfrac{4}{11}+\dfrac{4}{5}+\dfrac{7}{11}=\left(\dfrac{1}{5}+\dfrac{4}{5}\right)+\left(\dfrac{7}{11}+\dfrac{4}{11}\right)=\dfrac{5}{5}+\dfrac{11}{11}=1+1=2\)

Answer 2

=(1/5+4/5)+(4/11+7/11)

=5/5+11/11

=1+1=2