Aftrekken tot 1000 (H - T = HT) oefening 1
Vul in!
200 - 30 =
400 - 50 =
300 - 20 =
500 - 10 =
400 - 30 =
300 - 50 =
500 - 30 =
200 - 20 =
300 - 40 =
500 - 20 =
Controleer
OK