Kopfrechnen

Kopfrechnen

  
Rechne rasch und richtig! Mein Tipp: Nimm nur die Tabulator-Taste und den Ziffernblock!
0 + 7 =
2 + 8 =
3 + = 10
5 + 3 =
7 + = 9
7 - 7 =
8 + 0 =
9 - 0 =
10 - 7 =
0 + 20 =
10 + 20 =
10 + = 14
11 + 6 =
11 + 0 =
12 + = 15
13 + = 19
13 + 3 =
14 + 5 =
15 + = 19
15 - 5 =
16 - 1 =
17 - 3 =
18 - 8 =
19 + = 19
20 + 9 =
20 + = 23
20 + = 27
20 + 80 =
20 - 2 =
21 + 4 =
21 + = 22
22 + 0 =
28 - 0 =
29 - 1 =
30 + 20 =
40 + 30 =
50 - 10 =
60 + 20 =
70 - 70 =
80 - 50 =
100 - 10 =
2 + 10 =
6 + 9 =
8 + 5 =
9 + 6 =
12 + 9 =
13 - 8 =
14 - 7 =
15 - 6 =
17 + 4 =
18 - 9 =
19 + 6 =
22 - 5 =
24 - 6 =
26 - 8 =