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2014-11-01T12:35:16+02:00
A) 5•3/8=15/8
[5•3/8]=1
{5•3/8}=15/8-1=7/8

b)[0.6]=0
{0.6}=0.6

c) \sqrt{16}  \leq  \sqrt{20.25}< \sqrt{25}
[\sqrt{20.25}]=4
{[\sqrt{20.25}]}=\sqrt{20.25}-4

d)- \sqrt{0.81} =-0.9
[-0.9]=-1
{-0.9}=0.1

e)[15]=15
{15}=0

f) [-18]=-18
{-18}=0