3km
i
450m
+
5
hm
i
25m
=
____________________
m
45dam
i
25m
+
2km
i
10m
=
____________________
m
4km
i
250m
+
250dam
i
90m
=
____________________
m
25hm
i
25m
+
600dam
i
50m
=
____________________
m
3km
i
450m
-
5
hm
i
25m
=
____________________
cm
2km
i
10m
-
45dam
i
25m
=
____________________
mm
4km
i
250m
-
250dam
i
90m
=
____________________
dm
600dam
i
50m
-
25hm
i
25m
=
____________________
m
