Een sprong tot 10 en dan er-over - oefening 2
8 + 4 =
(8 +
) +
=
+
=
7 + 5 =
(7 +
) +
=
+
=
9 + 3 =
(9 +
) +
=
+
=
6 + 8 =
(6 +
) +
=
+
=
6 + 9 =
(6 +
) +
=
+
=
na-kijken
OK
