a)
9/72 = 0,125 × 100%=1,25%
4/72=0,055× 100%=5,5%
18/72=0,25× 100%=25%
27/72=0,375× 100%=37,5%
36/72=0,5× 100%=50%
72/72=1× 100%=100%
108/72=1,5× 100%=150%
144/72=2× 100%=200%
b)
1/100× 100%=1%
15/100=0,15× 100%=15%
90/100=0,9× 100%=90%
25/100=0,25=25%
50/100=0,5=× 100% =50%
0,001/1× 100%=0,1%
c)
1m/1000m=0,001× 100%=0,1%
350/1000=0,35× 100%=35%
1000/1000=1× 100%=100%
840/1000=0,84× 100%=64%
100/1000=0,1× 100%=10%
1cm=0,001km× 100%=0,01m
1/1000=0,001× 100%=0.1%
50cm=0,05km× 100%=0,5m
50/1000=0,051km× 100%=1000m
