[tex]7\sqrt{3} =7*1,73=12.11\\5\sqrt{6}=5*2,45 =12.25\\6\sqrt{2} =6*1,41=8.46\\\\\sqrt{3}+\sqrt{2}=1,41+1,73 =3.14\\4-\sqrt{6}=4-2,45=1,55\\2\sqrt{6}-3\sqrt{3}=2*2,45-3*1,73=4.9- 5.19=-0.29[/tex]
