Een sprong tot 10 en dan er-over - oefening 4
8 + 7 =
(8 +
) +
=
+
=
7 + 9 =
(7 +
) +
=
+
=
9 + 7 =
(9 +
) +
=
+
=
6 + 5 =
(6 +
) +
=
+
=
9 + 5 =
(9 +
) +
=
+
=
kijk na
OK
