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