Die Reihen 6, 7, 8 und 9 üben [1]
Das kleine Einmaleins
| Aufgabe 1 | ||||||||
| 1. | 3 | • | 7 | = |
28
|
49
|
63
|
21
|
| 2. | 3 | • | 9 | = |
54
|
18
|
90
|
27
|
| 3. | 10 | • | 7 | = |
70
|
63
|
21
|
7
|
| 4. | 5 | • | 7 | = |
63
|
35
|
42
|
70
|
| 5. | 7 | • | 7 | = |
35
|
49
|
28
|
63
|
| 6. | 6 | • | 9 | = |
45
|
54
|
72
|
27
|
| 7. | 3 | • | 9 | = |
54
|
27
|
18
|
90
|
| Aufgabe 2 | ||||||||
| 1. | 4 | • | 8 | = |
48
|
8
|
16
|
32
|
| 2. | 3 | • | 7 | = |
42
|
70
|
35
|
21
|
| 3. | 2 | • | 7 | = |
42
|
21
|
14
|
7
|
| 4. | 10 | • | 7 | = |
49
|
56
|
63
|
70
|
| 5. | 3 | • | 6 | = |
12
|
24
|
36
|
18
|
| 6. | 2 | • | 8 | = |
16
|
24
|
80
|
64
|
| 7. | 1 | • | 8 | = |
72
|
8
|
40
|
48
|