Răspuns :
6c............15m|:6
1c.............2,5m
10c...........2,5·10
10c...........25m
Raspuns:25 m
1c.............2,5m
10c...........2,5·10
10c...........25m
Raspuns:25 m
15 m ....... 6 costume
X m ....... 10 costume
15x10 = 6 x X
150=6 x X
X = 150/6
X = 25 m
X m ....... 10 costume
15x10 = 6 x X
150=6 x X
X = 150/6
X = 25 m