Ответ:\(\frac{15}{24\cdot5}=\frac18\).\(\frac1{11}+\frac47=\frac{51}{77}\).\(7-4=3\).\(5+2-2\sqrt{10}=7-2\sqrt{10}\).\(0{,}2\cdot0{,}5-\frac16\cdot12=0{,}1-2=-1{,}9\).\(10\sqrt5+15\sqrt5-8\sqrt5=17\sqrt5\).\(\sqrt4=2\).\(8\cdot3=24\).