Optellen tot 100 met brug (TE + E = TE) oefening 2

met brug

Vul in!
39 + 4 = (39 + ) + =
47 + 9 = (47 + ) + =
33 + 8 = (33 + ) + =
46 + 6 = (46 + ) + =
15 + 9 = (15 + ) + =