Kopfrechnen

Kopfrechnen

  
Rechne rasch und richtig! Mein Tipp: Nimm nur die Tabulator-Taste und den Ziffernblock!
2 + = 7
4 + 3 =
6 + 3 =
7 + 2 =
8 + 1 =
9 + 1 =
10 - 5 =
0 + 50 =
10 + 7 =
11 + 4 =
12 + = 13
12 - 0 =
13 + 6 =
13 - 3 =
14 + = 17
15 + = 17
16 + 3 =
16 + 4 =
17 - 5 =
18 + = 18
19 - 2 =
20 + = 25
20 + 3 =
20 + = 29
20 + = 28
21 + 2 =
21 + 5 =
22 + 7 =
22 + 3 =
28 - 3 =
30 - 10 =
30 + 50 =
10 + = 17
40 - 10 =
50 + 20 =
60 - 60 =
1 + 8 =
80 + 0 =
90 - 40 =
100 - 100 =
3 + 10 =
6 + 10 =
8 + 10 =
11 - 6 =
24 - 7 =
27 - 10 =
12 - 7 =
13 - 4 =
14 - 10 =
16 + 7 =
17 - 8 =
18 + 8 =
21 - 5 =
22 - 9 =