Optellen tot 100 met brug (TE + TE=TE) oefening 4
Doe het zo: 38 + 35 =
38 + 30 + 5 = 73
66 + 35 = 66 +
+
=
74 + 18 = 74 +
+
=
67 + 19 = 67 +
+
=
58 + 37 = 58 +
+
=
65 + 19 = 65 +
+
=
48 + 26 = 48 +
+
=
56 + 25 = 56 +
+
=
68 + 33 = 68 +
+
=
34 + 27 = 34 +
+
=
45 + 37 = 45 +
+
=
kijk na
OK