Addition und Subtraktion von Zahlen bis 100

Die Zeit läuft 00:00

63
+
6
=
64
-
10
=
39
+
4
=
78
+
10
=
55
-
10
=
71
-
3
=
13
-
6
=
90
-
10
=
44
-
8
=
97
+
4
=
21
-
5
=
51
+
9
=
41
-
7
=
63
-
0
=
24
+
1
=
63
+
6
=
11
-
2
=
51
+
0
=
81
-
5
=
70
-
4
=
neu starten  
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