Welk getal uit de tafelsom tot en met 10 ontbreekt?

Tafels
1.
9 × 7 =
42
63
21
35
2.
3 × 8 =
16
24
48
64
3.
8 × 2 =
16
10
2
4
4.
3 × 8 =
72
56
24
64
5.
9 × 1 =
10
9
3
1
6.
2 × 5 =
5
10
25
20
7.
10 × 9 =
9
90
36
63
8.
2 × 2 =
18
14
2
4
9.
1 × 8 =
80
8
72
32
10.
4 × 7 =
42
49
28
21
11.
3 × 10 =
20
30
10
50
12.
7 × 3 =
15
21
3
9
13.
9 × 9 =
54
36
45
81
14.
3 × 1 =
4
3
9
6
15.
2 × 10 =
20
10
40
50
16.
2 × 8 =
40
16
56
64
17.
2 × 3 =
24
15
18
6
18.
5 × 9 =
45
81
90
27
19.
3 × 2 =
14
6
16
20
20.
10 × 6 =
60
18
6
30

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

Tafels
1.
9 × 7 =
42
63
21
35
2.
3 × 8 =
16
24
48
64
3.
8 × 2 =
16
10
2
4
4.
3 × 8 =
72
56
24
64
5.
9 × 1 =
10
9
3
1
6.
2 × 5 =
5
10
25
20
7.
10 × 9 =
9
90
36
63
8.
2 × 2 =
18
14
2
4
9.
1 × 8 =
80
8
72
32
10.
4 × 7 =
42
49
28
21
11.
3 × 10 =
20
30
10
50
12.
7 × 3 =
15
21
3
9
13.
9 × 9 =
54
36
45
81
14.
3 × 1 =
4
3
9
6
15.
2 × 10 =
20
10
40
50
16.
2 × 8 =
40
16
56
64
17.
2 × 3 =
24
15
18
6
18.
5 × 9 =
45
81
90
27
19.
3 × 2 =
14
6
16
20
20.
10 × 6 =
60
18
6
30