Răspuns:
Ex 4 a)
80/100 ×75=6000/100=60
R=60 caprioare
b) din 45 reau marcate 9
9din 45/°°=9×100/45=900/45=20
R= 20°/° era marcat
C) 20/100din 300= 60
Ex 5
A)25/100×504=12600/100=126
B)40/100×700=28000/100=280
C) 20/100×125=2500/100=25
D)5/100×2000=10000/100=100
E) 10/100×175=1750/100=17, 5
F)50/100×432= 21600/100=216