Kopfrechnen

Kopfrechnen

  
Rechne rasch und richtig! Mein Tipp: Nimm nur die Tabulator-Taste und den Ziffernblock!
2 + = 8
+ 3 = 7
1 + 9 =
2 + = 9
4 + = 10
6 + 1 =
7 - 3 =
8 + = 10
9 - 5 =
10 - 3 =
0 + 70 =
10 + 2 =
1+ = 9
3 + = 7
4 + 4 =
6 + 4 =
7 + = 10
8 - 2 =
9 + = 10
10 - 1 =
10 + 80 =
10 + 9 =
11 + 2 =
11 + = 15
12 + 2 =
12 + = 17
13 + = 17
14 - 0 =
15 + = 20
16 + = 16
17 + = 18
17 - 4 =
18 - 7 =
19 - 9 =
20 + = 23
20 + 2 =
20 + = 24
20 - 1 =
21 + = 24
21 + = 23
22 + = 28
22 + = 27
29 - 8 =
30 - 7 =
30 + 70 =
40 - 30 =
60 + 10 =
70 - 40 =
80 + 20 =
90 - 30 =
4 + 8 =
7 + 8 =
9 + 2 =
11 - 9 =
12 + 10 =
14 + 7 =
15 - 10 =
100 - 30 =
16 - 10 =
17 + 10 =
19 + 10 =
21 - 10 =
23 - 4 =
25 - 6 =
6 + 7 =