Question

1/4:0,25-1/8:0,125+1/2:0,5-1/10

Answer 1

=1/4:1/4-1/8:1/8+1/2:1/2-1/10

=1-1+1-1/10

=1-1/10

=9/10

Answer 2

`1/4:0,25-1/8:0,125+1/2:0,5-1/10`

 

`=1/4 : 1/4 - 1/8 : 1/8 + 1/2 :1/2 - 1/10 `

 

`=1/4 . 4/1 - 1/8 . 8/1 + 1/2 . 2/1 - 1/10`

 

` = 1  - 1 + 1 - 1/10 `

 

`=  1 - 1/10 `

 

`= 10/10 - 1/10 `

 

`=9/10`