Welk getal uit de tafelsom tot en met 10 ontbreekt?
Tafels
|
1.
2 × 9 =
9
36
72
18
|
2.
10 × 3 =
30
21
27
6
|
3.
9 × 10 =
100
60
50
90
|
4.
8 × 6 =
60
12
18
48
|
|
5.
2 × 2 =
4
10
18
12
|
6.
3 × 9 =
9
27
45
54
|
7.
6 × 7 =
21
70
42
28
|
8.
7 × 10 =
40
10
60
70
|
|
9.
8 × 1 =
6
5
10
8
|
10.
3 × 5 =
20
15
25
10
|
11.
4 × 10 =
80
40
50
90
|
12.
4 × 7 =
35
28
21
42
|
|
13.
1 × 5 =
20
25
5
45
|
14.
10 × 10 =
90
70
60
100
|
15.
3 × 8 =
72
24
48
16
|
16.
8 × 5 =
40
15
20
25
|
|
17.
8 × 5 =
40
20
10
15
|
18.
1 × 5 =
30
15
5
20
|
19.
10 × 7 =
70
63
42
21
|
20.
4 × 9 =
36
9
72
54
|