Welk getal uit de tafelsom tot en met 10 ontbreekt?
Tafels
|
1.
9 × 4 =
4
28
36
24
|
2.
4 × 1 =
5
4
2
1
|
3.
8 × 7 =
56
14
70
63
|
4.
8 × 6 =
54
30
48
18
|
|
5.
3 × 9 =
90
81
27
72
|
6.
4 × 7 =
28
42
49
14
|
7.
4 × 3 =
30
12
18
3
|
8.
2 × 10 =
10
30
50
20
|
|
9.
1 × 4 =
4
40
16
36
|
10.
7 × 4 =
28
24
12
20
|
11.
9 × 6 =
60
48
54
18
|
12.
3 × 3 =
9
12
15
18
|
|
13.
4 × 7 =
21
35
28
56
|
14.
9 × 5 =
45
35
20
50
|
15.
5 × 4 =
8
20
16
32
|
16.
9 × 8 =
80
16
64
72
|
|
17.
8 × 5 =
15
40
20
5
|
18.
2 × 9 =
45
9
27
18
|
19.
2 × 1 =
6
2
1
10
|
20.
4 × 10 =
80
10
100
40
|