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
3 hm
=
dam
10 hm
=
dam
6 cm
=
dm
6 hm
=
km
8 dam
=
m
50 dm
=
m
3 dam
=
hm
2 dm
=
m
4 hm
=
km
90 dam
=
hm
40 dm
=
m
0.2 cm
=
mm
30 cm
=
dm
9 hm
=
dam
1 hm
=
dam
1 dam
=
m
4 dm
=
cm
30 m
=
dam
0.2 m
=
dm
7 dam
=
hm
antwoorden