Kopfrechnen

Kopfrechnen

  
Rechne rasch und richtig! Mein Tipp: Nimm nur die Tabulator-Taste und den Ziffernblock!
2 + = 8
4 + = 7
5 + = 9
7 + = 8
7 - 2 =
8 - 7 =
0 + = 8
9 - 3 =
10 - 8 =
0 + 30 =
10 + 50 =
10 + = 20
11 + 8 =
11 + = 17
12 + = 20
13 + 4 =
13 + = 15
14 + 6 =
15 + = 16
15 - 1 =
16 - 4 =
17 - 2 =
18 + 1 =
19 + = 19
20 + 20 =
20 + = 26
20 + 60 =
21 + = 26
21 + 9 =
20 + = 25
21 + = 30
22 + 4 =
28 - 8 =
30 - 8 =
30 - 6 =
40 - 40 =
50 + 50 =
60 - 50 =
70 - 50 =
90 - 80 =
100 - 70 =
3 + 9 =
6 + 8 =
9 + 10 =
12 - 3 =
13 - 6 =
14 + 10 =
8 + 6 =
17 + 6 =
18 + 3 =
16 + 8 =
21 - 9 =
22 - 8 =
24 - 5 =
27 - 9 =