Welk getal uit de tafelsom tot en met 10 ontbreekt?
Tafels
|
1.
4 × 9 =
36
54
9
27
|
2.
5 × 10 =
20
30
100
50
|
3.
5 × 10 =
50
10
90
70
|
4.
3 × 10 =
70
80
30
100
|
|
5.
6 × 7 =
56
28
42
21
|
6.
5 × 2 =
2
10
18
8
|
7.
4 × 5 =
20
25
15
30
|
8.
2 × 2 =
8
12
16
4
|
|
9.
2 × 2 =
6
20
4
12
|
10.
8 × 8 =
80
64
48
16
|
11.
6 × 2 =
4
6
12
20
|
12.
7 × 9 =
72
63
9
45
|
|
13.
7 × 5 =
10
20
35
5
|
14.
4 × 4 =
8
40
16
20
|
15.
5 × 3 =
15
3
30
27
|
16.
6 × 5 =
20
45
30
50
|
|
17.
4 × 10 =
50
40
10
60
|
18.
2 × 7 =
63
14
42
49
|
19.
7 × 9 =
63
18
81
45
|
20.
8 × 3 =
24
27
9
6
|