Question

ex 4si 5va rog mult.dau 10puncte si coroana

Answer 1

4)12km=12000m
24m/12000m=2/1000=0.002
1,7hm=1700dm
17/1700=1/100=0,01
25intregi si 1/2=51/2   m^2
1ha=10000 m^2
(51/2)/10000=25,5/10000=0,00255  m^2
2,(3)=2 intregi si 3/9=2 intregi si 1/3=7/3
0,(3)=3/9=1/3m^3=1/3*10=10/3
(7/3)/(10/3)
5)a)6/4
b)4/6
c)6/4=3/2*100=150%
4/6=2/3*100=66%