$0,75^{}$ + $\frac{1}{2}$ : $0,5^{}$ + $0,125^{}$ : $\frac{1}{8}$ - $\frac{3}{4}$
= $0,75^{}$ + $0,5^{}$ × $2^{}$ + $0,125^{}$ × $8^{}$ - $0,75^{}$
= $(^{}$$0,75^{}$ - $0,75^{}$$)^{}$ + $0,5^{}$ × $2^{}$ + $0,125^{}$ × $4^{}$ × $2^{}$
= $0^{}$ + $0,5^{}$ × $2^{}$ + $0,5^{}$ × $2^{}$ +
= 2 × ($0,5^{}$ + $0,5^{}$)
= 2 × 1 = 2