Welk getal uit de tafelsom tot en met 10 ontbreekt?

Tafels
1.
9 × 8 =
40
56
16
72
2.
7 × 10 =
70
20
60
40
3.
3 × 10 =
30
100
10
80
4.
7 × 3 =
21
24
6
18
5.
5 × 5 =
25
20
5
10
6.
8 × 2 =
20
10
18
16
7.
2 × 2 =
18
16
4
2
8.
6 × 5 =
15
35
50
30
9.
9 × 3 =
27
9
15
24
10.
5 × 1 =
5
4
2
6
11.
4 × 6 =
54
24
42
18
12.
2 × 6 =
36
30
60
12
13.
8 × 3 =
12
15
3
24
14.
3 × 7 =
35
49
70
21
15.
5 × 8 =
8
40
72
32
16.
6 × 8 =
8
48
24
80
17.
9 × 10 =
90
70
30
80
18.
5 × 5 =
25
45
15
10
19.
10 × 5 =
45
50
10
20
20.
2 × 1 =
8
9
2
1

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

Tafels
1.
9 × 8 =
40
56
16
72
2.
7 × 10 =
70
20
60
40
3.
3 × 10 =
30
100
10
80
4.
7 × 3 =
21
24
6
18
5.
5 × 5 =
25
20
5
10
6.
8 × 2 =
20
10
18
16
7.
2 × 2 =
18
16
4
2
8.
6 × 5 =
15
35
50
30
9.
9 × 3 =
27
9
15
24
10.
5 × 1 =
5
4
2
6
11.
4 × 6 =
54
24
42
18
12.
2 × 6 =
36
30
60
12
13.
8 × 3 =
12
15
3
24
14.
3 × 7 =
35
49
70
21
15.
5 × 8 =
8
40
72
32
16.
6 × 8 =
8
48
24
80
17.
9 × 10 =
90
70
30
80
18.
5 × 5 =
25
45
15
10
19.
10 × 5 =
45
50
10
20
20.
2 × 1 =
8
9
2
1