Izračunaj.
\(10:\left( {\dfrac{{2:\left( {2,5-2,2} \right)}}{{1,2\cdot \left( {1,4+3,6} \right)}}+\dfrac{{\left( {4,8-2,4} \right)\cdot 40}}{{8\cdot \left( {7,3-6,1} \right)}}} \right)+2,73\cdot 4,5+8,67\)

Izračunaj.
\(20:\left( {\dfrac{{4\cdot \left( {3,6-2,7} \right)}}{{2,5\cdot \left( {7,85-3,85} \right)}}+\dfrac{{\left( {5,23-4,83} \right)\cdot 16}}{{8\cdot \left( {2,5-1,25} \right)}}} \right)+3,13\cdot 1,8+16,24\)

Izračunaj.
\(7:\left( {\dfrac{{7,5\cdot \left( {6,4-3,4} \right)}}{{1,5\cdot \left( {7,35-1,35} \right)}}+\dfrac{{\left( {9,15+5,85} \right):0,5}}{{6\cdot \left( {1,75-0,25} \right)}}} \right)+3,304:1,4+5,63\)