Übe die 7er-Reihe [1]
Einmaleins
|
1.
1
• 7 =
70
49
56
7
|
2.
8
• 7 =
28
56
70
42
|
3.
7
• 7 =
14
49
56
21
|
4.
1
• 7 =
56
21
7
63
|
|
5.
8
• 7 =
28
56
63
35
|
6.
10
• 7 =
70
49
28
42
|
7.
7
• 7 =
56
21
49
7
|
8.
7
• 7 =
49
21
14
63
|
|
9.
3
• 7 =
56
7
70
21
|
10.
2
• 7 =
63
70
56
14
|
11.
9
• 7 =
35
21
63
14
|
12.
5
• 7 =
7
21
28
35
|
|
13.
1
• 7 =
21
49
7
70
|
14.
5
• 7 =
7
35
14
21
|
15.
2
• 7 =
7
14
42
21
|
16.
7
• 7 =
70
49
63
7
|
|
17.
2
• 7 =
70
14
49
21
|
18.
4
• 7 =
63
56
14
28
|
19.
10
• 7 =
70
28
7
56
|
20.
2
• 7 =
42
14
21
56
|