Question

Tính : 

5/2 : 20/9

Answer 1

\(\frac{5}{2}:\frac{20}{9}\)

=\(\frac{5}{2}x\frac{9}{20}\)

=\(\frac{5x9}{2x4x5}\)

=\(\frac{9}{8}\)

Answer 2

= 2,5 : \(\frac{20}{9}\)

= 9,8

= 1 ,125

Answer 3

\(\frac{5}{2}:\frac{20}{9}=\frac{5}{2}\times\frac{9}{20}=\frac{9}{2\times4}=\frac{9}{8}\)

Answer 4

=\(\frac{9}{8}\)

bạn nhé

tk nhé@@@@@@@@@@@@@@@@@@@@@@

LOL

Answer 5

5/2 : 20/9

= 5/2 X 9/20

= 45/40

= 9/8

Answer 6

9/8 nha bn