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
1000 mm2 =dm21 dam2 =km2
4 dam2 =hm22 hm2 =dam2
0.05 cm2 =mm22 cm2 =mm2
4 dam2 =km210 km2 =dam2
3 mm2 =dm29 hm2 =km2
0.0009 dam2 =dm210 mm2 =cm2
0.0008 hm2 =m24 dm2 =m2
8 dam2 =hm25 hm2 =dam2
3 mm2 =cm20.03 m2 =dm2
200 m2 =dam25 dam2 =hm2
9 cm2 =dm25 m2 =hm2
0.09 m2 =cm24 dm2 =cm2
2 cm2 =dm2300 dam2 =hm2
200 dm2 =dam2200 dam2 =hm2
4 m2 =dm20.02 dm2 =cm2

antwoorden