Question

 45

___ : 20 = ?

  4

Answer 1

= 45/4 : 20

= 45/4 x 1/20 

= 45/80

= 9/16

Answer 2

\(\frac{45}{4}:20=\frac{9}{16}\)

k nha bạn

Answer 3

45/4 ; 20 = 45/80

Answer 4

\(\frac{45}{4}:20=\frac{45}{4}:\frac{20}{1}\)

\(=\frac{45}{4}\cdot\frac{1}{20}\)

\(=\frac{45}{80}=\frac{9}{16}\)

Answer 5

45 / 4 : 20 

= 45/4 x 1/20

= 45/80

= 9/16

nhé chi quynh

Answer 6

9/16 đổi ra giờ có đc k ??