Question

    2/3 x 3/4 + 3/4 x 2/5

tính nhanh nhé

Answer 1

\(\dfrac{2}{3}\times\dfrac{3}{4}+\dfrac{3}{4}\times\dfrac{2}{5}=\dfrac{3}{4}\times\left(\dfrac{2}{3}+\dfrac{2}{5}\right)=\dfrac{3}{4}\times\dfrac{16}{15}=\dfrac{4}{5}\)

Answer 2

0.8

Answer 3

0,8

Answer 4

\(=\dfrac{3}{4}\times\left(\dfrac{2}{3}+\dfrac{2}{5}\right)\)

\(=\dfrac{3}{4}\times\dfrac{16}{15}\)

\(=\dfrac{48}{60}=\dfrac{4}{5}\)

Answer 5

= 3/4 x (2/3 + 2/5)

= 3/4 x 16/15

= 4/5

Answer 6

\(\dfrac{2}{3}\times\dfrac{3}{4}+\dfrac{3}{4}\times\dfrac{2}{5}\)

 

\(=\dfrac{3}{4}\times\left(\dfrac{2}{3}+\dfrac{2}{5}\right)\)

 

\(=\dfrac{3}{4}\times\dfrac{16}{15}\)

 

\(=\dfrac{3\times4\times4}{4\times3\times5}\)

 

\(=\dfrac{4}{5}\)

Answer 7

4/5

Answer 8

0,8