Question

tính thuận tiện :
\(\dfrac16+\dfrac35 + \dfrac{11}6 + \dfrac25 + \dfrac{18}6\)

Answer 1

30/6+ 5/5=5+1=6

Answer 2

6

Answer 3

\(\dfrac{1}{6}+\dfrac{3}{5}+\dfrac{11}{6}+\dfrac{2}{5}+\dfrac{18}{6}\)

\(=\left(\dfrac{1}{6}+\dfrac{11}{6}+\dfrac{18}{6}\right)+\left(\dfrac{3}{5}+\dfrac{2}{5}\right)\)

\(=5+1\)

\(=6\)

Answer 4

\(=\left(\dfrac{1}{6}+\dfrac{11}{6}+\dfrac{18}{6}\right)+\left(\dfrac{3}{5}+\dfrac{2}{3}\right)\)

\(=5+1\)

\(=6\)

Answer 5

\(\dfrac{1}{6}+\dfrac{3}{5}+\dfrac{11}{6}+\dfrac{2}{5}+\dfrac{18}{6}\)
= \(\left(\dfrac{1}{6}+\dfrac{11}{6}+\dfrac{18}{6}\right)+\left(\dfrac{3}{5}+\dfrac{2}{5}\right)\)
= \(\left(\dfrac{12}{6}+\dfrac{18}{6}\right)+1\)
= \(5+1\)
= \(6\)

Answer 6

6