aantal sommen niveau 1:
10
-
20
-
30
-
40
-
50
aantal sommen niveau 2:
10
-
20
-
30
-
40
-
50
aantal sommen niveau 3:
10
-
20
-
30
-
40
-
50
aantal sommen niveau 4:
10
-
20
-
30
-
40
-
50
4 m
=
dam
2 dam
=
km
90 cm
=
m
0.9 m
=
dm
70 dam
=
km
9 dm
=
dam
7 mm
=
dm
1 dam
=
hm
0.6 km
=
dam
0.2 hm
=
dam
7 mm
=
cm
9 dam
=
m
8 dam
=
hm
6 mm
=
cm
9 dm
=
dam
2 km
=
hm
5 m
=
dam
1 cm
=
dm
5 m
=
cm
0.01 dm
=
mm
antwoorden