Optellen tot 100 met brug (TE + E = TE) oefening 7

met brug

Vul in!
89 + 3 = (89 + ) + =
68 + 6 = (68 + ) + =
75 + 6 = (75 + ) + =
87 + 6 = (87 + ) + =
79 + 9 = (79 + ) + =