Kopfrechnen

Kopfrechnen

  
Rechne rasch und richtig! Mein Tipp: Nimm nur die Tabulator-Taste und den Ziffernblock!
14 + 3 =
13 - 2 =
19 - 3 =
12 + 4 =
4 + 5 =
2 + 7 =
1 + 9 =
5 + = 7
9 - 6 =
8 - 6 =
8 - 3 =
7 - 6 =
10 + = 10
10 + 70 =
0 + 80 =
10 + = 16
15 + = 18
12 + = 14
11 + 3 =
15 - 0 =
16 + = 17
17 + = 20
18 - 3 =
19 - 8 =
20 + = 23
20 + = 28
20 + = 29
20 + 50 =
21 + 1 =
21 + 6 =
22 + 5 =
28 - 6 =
30 - 2 =
40 - 0 =
50 - 30 =
60 + 30 =
80 - 40 =
90 - 50 =
100 - 90 =
3 + 8 =
6 + 5 =
8 + 4 =
9 + 7 =
12 - 4 =
13 - 9 =
14 + 8 =
16 + 10 =
17 - 10 =
18 + 7 =
21 - 7 =
22 - 6 =
24 - 8 =
27 - 8 =
21 + = 27