1.5/18+7/25-5/18+18/25-0.75 3/5x15.1/4-3/5x6.1/4 -7/15x5/8x15/-7x(-16) √(-7)^2+√25/16-3/2 1/2x√100-√1/16+(1/3)^0

`1 5/18 + 7/25 - 5/18 + 18/25 - 0,75`

` = 1 + 5/18 + 7/25 - 5/18 + 18/25 - 3/4`

` = (5/18 - 5/18) + (7/25 + 18/25) + (1-3/4)`

` = 1+ 1/4`

`= 5/4`

``

`3/5 . 15 1/4 - 3/5 . 6 1/4`

` = 3/5 . (15 1/4 - 6 1/4)`

`=  3/5 . (15 + 1/4 - 6 - 1/4)`

`= 3/5 . 9`

` = 27/5`

``

`-7/15 . 5/8 . 15/(-7) . (-16)`

`= 7/15 . 5/8 . 15/7 . 16`

`=  (7 . 5 . 15 . 16)/(15 . 8 . 7)`

` = (5 . 2)/1`

`= 10`

``

`\sqrt{(-7)^2} + \sqrt{25/16} - 3/2`

`=  7 + 5/4 - 3/2`

`=  33/4 - 3/2`

` = 27/4`

``

`1/2 . \sqrt{100} - \sqrt{1/16} + (1/3)^0`

`=  1/2 . 10 - 0,25 + 1`

`=  5 - 0,25 + 1`

` = 19/4 +1`