`b)sqrt{75}-sqrt{4,32}+1/3sqrt{363}`
`=5sqrt3+(6sqrt3)/5+(11sqrt3)/3`
`=148/15*sqrt3`$\\$ `c)sqrt{125}-4sqrt{45}+3sqrt{20}-sqrt{80}=5sqrt5-12sqrt5+6sqrt5-4sqrt5=-5sqrt5` $\\$ `d)(sqrt2+sqrt3)*sqrt2-sqrt6+sqrt{999}/sqrt{111}+\root{3}{-27}=2+sqrt6-sqrt6+sqrt9-3=2+3-3=2` $\\$ `e)sqrt2(sqrt2-2sqrt8+5sqrt{32})=sqrt2(sqrt2-4sqrt2+20sqrt2)=sqrt2*17sqrt2=34`
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