...blok 3
hoofdrekenen... oefening 17
Voorbeeld: 3 x 24 = 60 + 12 = 72
8 x 62 =
+
=
4 x 56 =
+
=
9 x 34 =
+
=
7 x 45 =
+
=
6 x 92 =
+
=
8 x 88 =
+
=
7 x 72 =
+
=
4 x 65 =
+
=
5 x 97 =
+
=
9 x 16 =
+
=
Antwoord controleren
OK
hoofdrekenen... oefening 17