Question

1 phần 3 + 4 phần 11 + 2 phần 3 + 7 phần 11

Answer 1

`1 / 3 + 4 / 11 + 2 / 3 + 7 / 11`

`= ( 1 / 3 + 2 / 3 ) + ( 4 / 11 + 7 / 11 )`

`= 3 / 3 + 11 / 11`

`= 1 + 1 = 2`

Answer 2

\(\dfrac{1}{3}+\dfrac{4}{11}+\dfrac{2}{3}+\dfrac{7}{11}=\left(\dfrac{1}{3}+\dfrac{2}{3}\right)+\left(\dfrac{4}{11}+\dfrac{7}{11}\right)=1+1=2\)

Answer 3

\(\dfrac{1}{3}+\dfrac{4}{11}+\dfrac{2}{3}+\dfrac{7}{11}=\left(\dfrac{1}{3}+\dfrac{2}{3}\right)+\left(\dfrac{4}{11}+\dfrac{7}{11}\right)=\dfrac{3}{3}+\dfrac{11}{11}=1+1=2\)

Answer 4

\(\dfrac{1}{3}+\dfrac{4}{11}+\dfrac{2}{3}+\dfrac{7}{11}\)

= \((\dfrac{1}{3}+\dfrac{2}{3})+(\dfrac{4}{11}+\dfrac{7}{11})\)

= \(\dfrac{3}{3}+\dfrac{11}{11}\)

= \(1+1\)

= \(2\)