Welk getal uit de tafelsom tot en met 10 ontbreekt?

Tafels
1.
1 × 9 =
36
9
27
72
2.
3 × 10 =
80
10
60
30
3.
10 × 5 =
35
40
15
50
4.
1 × 9 =
81
90
9
18
5.
4 × 1 =
8
4
2
1
6.
5 × 9 =
45
63
81
18
7.
2 × 8 =
16
40
56
64
8.
6 × 8 =
16
56
24
48
9.
6 × 1 =
7
4
10
6
10.
7 × 8 =
64
56
72
24
11.
5 × 9 =
27
54
45
63
12.
9 × 5 =
45
40
35
20
13.
4 × 2 =
12
20
6
8
14.
9 × 7 =
21
14
42
63
15.
1 × 2 =
18
16
20
2
16.
8 × 9 =
90
72
81
63
17.
2 × 6 =
12
6
54
48
18.
6 × 8 =
8
24
72
48
19.
5 × 10 =
60
50
30
20
20.
4 × 3 =
6
12
9
30

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

Tafels
1.
1 × 9 =
36
9
27
72
2.
3 × 10 =
80
10
60
30
3.
10 × 5 =
35
40
15
50
4.
1 × 9 =
81
90
9
18
5.
4 × 1 =
8
4
2
1
6.
5 × 9 =
45
63
81
18
7.
2 × 8 =
16
40
56
64
8.
6 × 8 =
16
56
24
48
9.
6 × 1 =
7
4
10
6
10.
7 × 8 =
64
56
72
24
11.
5 × 9 =
27
54
45
63
12.
9 × 5 =
45
40
35
20
13.
4 × 2 =
12
20
6
8
14.
9 × 7 =
21
14
42
63
15.
1 × 2 =
18
16
20
2
16.
8 × 9 =
90
72
81
63
17.
2 × 6 =
12
6
54
48
18.
6 × 8 =
8
24
72
48
19.
5 × 10 =
60
50
30
20
20.
4 × 3 =
6
12
9
30