[tex]\sqrt{36+12\sqrt{81}}-\sqrt{30^2*24^2}+100*\sqrt{0,0256}=\\ \sqrt{36+12*9}-\sqrt{900*576}+100*\sqrt{\frac{256}{10000}}=\\ \sqrt{144}-\sqrt{518400}+100*\sqrt{\frac{16}{625}}=\\ 12-720+100*\frac{\sqrt{16}}{\sqrt{625}}=\\ 12-720+100*\frac{4}{25}=\\ 12-720+16=-692.[/tex]
/robertinni
