Welk getal uit de tafelsom tot en met 10 ontbreekt?
Tafels
|
1.
2 × 7 =
63
49
21
14
|
2.
2 × 10 =
20
10
70
30
|
3.
1 × 7 =
70
35
63
7
|
4.
1 × 7 =
49
7
35
28
|
|
5.
1 × 6 =
18
6
48
24
|
6.
10 × 7 =
28
56
21
70
|
7.
2 × 9 =
72
9
27
18
|
8.
3 × 4 =
36
16
12
8
|
|
9.
5 × 2 =
2
10
16
20
|
10.
6 × 3 =
30
27
12
18
|
11.
4 × 3 =
12
15
21
27
|
12.
10 × 10 =
20
60
30
100
|
|
13.
9 × 2 =
8
20
18
10
|
14.
9 × 4 =
12
36
16
32
|
15.
4 × 5 =
20
45
15
35
|
16.
9 × 3 =
30
24
18
27
|
|
17.
3 × 7 =
63
28
42
21
|
18.
5 × 7 =
35
70
56
42
|
19.
9 × 4 =
24
28
36
8
|
20.
2 × 2 =
6
16
4
18
|