10\frac{1}{4}-\{4,75-(-\frac{5}{8})*[(-0,25)*(-\frac{4}{25})-0,84]\}=
=10,25-\{4,75-(-\frac{5}{8})*[(-\frac{\not25^1}{100})*(-\frac{4}{\not25^1})-0,84]\}=
=10,25-[4,75-(-\frac{5}{8})*(-\frac{4}{100}-0,84)]=
=10,25-[4,75-(-\frac{5}{\not8^1})*(-\frac{\not88^{11}}{100})]=
=10,25-(4,75-\frac{55}{100})=
=10,25-(4,75-0,55)=
=10,25-4,25
=6
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120\%*6=1,2*6=7,2 <-- odpowiedź