Ответ:\(\sqrt{121}-\sqrt{4}=11-2=9\).\(\sqrt{0,25}+\sqrt{0,64}=0,5+0,8=1,3\).\(\sqrt{400}\cdot\sqrt{1,44}+8=20\cdot1,2+8=24+8=32\).\(\sqrt{9}-\sqrt{0,36}=3-0,6=2,4\).Ответ: 9; 1,3; 32; 2,4.