Question

1/2 : 1/3 :1/4 :1/5

Answer 1

=1/2*3*4*5

=30

Answer 2

= 1/2 x 3 x 4 x 5

= 3/2 x 4 x 5

= 12/2 x 5

= 6 x 5

= 30

Answer 3

1/2 : 1/3 :1/4 :1/5

= 3/2 : 1/4 :1/5

= 6 : 1/5

= 30

Answer 4

=1/2x3x4x5

=30

Answer 5

=1/2 x 3 x 4 x 5

= 1/2 x (3x4x5)

=1/2 x 60

=30

Nha bạn 

Answer 6

=1/2 x 3 x 4 x 5

= 1/2 x (3x4x5)

=1/2 x 60

=30

Nha bạn