`b)`
`[ 5 3/4 - 6 5/6) : 3 1/4 + [ 1 9/26]^{-1} . [-2 2/13]`
` = (23/4 - 41/6) : 13/4 + (35/26)^{-1} . (-28)/13`
` =(-13)/12 . 4/13 + 26/35 . (-28)/13`
` = -1/3 - 8/5`
` = -29/15`
`d)`
`(-0,75 - 1/4) : ( -\sqrt{25}) + 1/15 - (-1/5) : (- \sqrt{(-3)^2})`
`= (-3/4 -1/4) : (-5) + 1/15 - (-1/5) : (-3)`
` = -1 : (-5) + 1/15 - 1/15`
` = 1/5 + 1/15 - 1/15`
` = 1/5`
`f)`
`\sqrt{0,36} . \sqrt{25/16} + 1/4`
` =0,6 . 5/4 + 1/4`
`= 3/4+ 1/4`
` = 1`
`h)`
`[ (0,01)^2]^0 + [ (1/7)^{-1}]^2 . 1/49 [ (2^2)^3 : 2^5]`
` = 1 + 7^2 . 1/49 . (2^6 : 2^5)`
` = 1 + 49 . 1/49 . 2`
` = 1 + 1 . 2`
` = 1 + 2`
` = 3`
