Question

7-1/2-3/4

Answer 1

= 13/2 - 3/4 = 23/4

Answer 2

`7 - 1/2 - 3/4`

` = 28/4 - 2/4 - 3/4`

`=(28-2-3)/4`

` = 23/4`

`#BaoL i nh`

Answer 3

`7-1/2-3/4=28/4-2/4-3/4=[28-2-3]/4=23/4`

Answer 4

`7-1/2-3/4`

`=28/4-2/4-3/4`

`=23/4`

Answer 5

7-1/2-3/4= 196/28-14/28-21/28=161/28=23/4