2 zadania z matematyki 13 pkt
14.
a)
||-2,5|-3|-0,5=|-0,5|-0,5=0
b)
|1-2,5|+0,5=1,5+0,5=2
c)
|2,5-6|-2,5=3,5-2,5=1
9.
a) p= (1+2√5+5)+(1-2√5+5)=6+2√5+6-2√5=12 <- wymierna
b) p=(9-6√2+2)+(8-12√2+9)=11-6√2+17-12√2=28-18√2 <-niewymierna
c) p=(5-2√15+3)+(5+2√15+3)=8-2√15+8+2√15=16 <- wymierna
d) p=(1+2√3+3)-(9-12√3+12)=4+2√3-21+12√3=-17+14√3 <- niewymierna
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
14.
a)
||-2,5|-3|-0,5=|-0,5|-0,5=0
b)
|1-2,5|+0,5=1,5+0,5=2
c)
|2,5-6|-2,5=3,5-2,5=1
9.
a) p= (1+2√5+5)+(1-2√5+5)=6+2√5+6-2√5=12 <- wymierna
b) p=(9-6√2+2)+(8-12√2+9)=11-6√2+17-12√2=28-18√2 <-niewymierna
c) p=(5-2√15+3)+(5+2√15+3)=8-2√15+8+2√15=16 <- wymierna
d) p=(1+2√3+3)-(9-12√3+12)=4+2√3-21+12√3=-17+14√3 <- niewymierna