Welk getal uit de tafelsom tot en met 10 ontbreekt?

Tafels
1.
1 × 2 =
20
16
12
2
2.
3 × 7 =
70
63
56
21
3.
10 × 10 =
60
50
100
20
4.
1 × 1 =
1
10
3
2
5.
4 × 7 =
28
14
35
70
6.
1 × 6 =
36
54
6
24
7.
1 × 5 =
45
5
40
30
8.
1 × 7 =
35
14
7
49
9.
2 × 8 =
24
16
48
56
10.
7 × 8 =
8
56
64
72
11.
1 × 8 =
8
72
16
56
12.
6 × 4 =
8
24
16
28
13.
7 × 2 =
12
2
14
18
14.
5 × 6 =
30
36
12
60
15.
6 × 9 =
9
54
63
36
16.
10 × 9 =
90
27
18
81
17.
1 × 10 =
90
100
10
70
18.
1 × 2 =
2
4
20
8
19.
10 × 2 =
12
18
4
20
20.
1 × 5 =
45
10
5
40

Welk getal uit de tafelsom tot en met 10 ontbreekt?
| ANTWOORDEN

Tafels
1.
1 × 2 =
20
16
12
2
2.
3 × 7 =
70
63
56
21
3.
10 × 10 =
60
50
100
20
4.
1 × 1 =
1
10
3
2
5.
4 × 7 =
28
14
35
70
6.
1 × 6 =
36
54
6
24
7.
1 × 5 =
45
5
40
30
8.
1 × 7 =
35
14
7
49
9.
2 × 8 =
24
16
48
56
10.
7 × 8 =
8
56
64
72
11.
1 × 8 =
8
72
16
56
12.
6 × 4 =
8
24
16
28
13.
7 × 2 =
12
2
14
18
14.
5 × 6 =
30
36
12
60
15.
6 × 9 =
9
54
63
36
16.
10 × 9 =
90
27
18
81
17.
1 × 10 =
90
100
10
70
18.
1 × 2 =
2
4
20
8
19.
10 × 2 =
12
18
4
20
20.
1 × 5 =
45
10
5
40