Question

Tính bằng cách thuận tiện 

1/5:1/8+1/5:1/4

 

Answer 1

= 1/5 : ( 1/8 + 1/4 )

= 1/5 : 3/8
= 8/15

Answer 2

1/5:1/8+1/5:1/4

=1/5:(1/8+1/4)

=1/5:3/8

=8/15

Answer 3

1/5 : 1/8 + 1/5 : 1/4

= 1/5 : (1/8 + 1/4)

= 1/5 : 3/8

= 8/15

Answer 4

1/5 : 1/8 + 1/5 : 1/4

= 1/5 : ( 1/8 + 1/4 )

= 1/5 : 3/8

= 8/15

Answer 5

1/5 : 1/8 + 1/5 : 1/4

= 1/5 : ( 1/8 + 1/4 )

= 1/5 : 3/8

= 8/15

Answer 6

1/5:1/8+1/5:1/4

=1/5:(1/8+1/4)

=1/5:3/8

=8/15

chuc bn may man.va dang quen tk mk