Welk getal uit de tafelsom tot en met 10 ontbreekt?
Tafels
|
1.
8 × 8 =
24
16
48
64
|
2.
4 × 4 =
16
40
12
32
|
3.
7 × 9 =
72
9
63
36
|
4.
7 × 8 =
56
24
80
40
|
|
5.
4 × 10 =
70
50
40
20
|
6.
6 × 10 =
80
20
30
60
|
7.
8 × 7 =
56
35
49
63
|
8.
6 × 8 =
24
48
64
56
|
|
9.
9 × 9 =
72
81
63
90
|
10.
9 × 2 =
20
18
4
16
|
11.
6 × 8 =
48
8
80
40
|
12.
9 × 1 =
8
9
7
6
|
|
13.
9 × 1 =
4
5
8
9
|
14.
7 × 8 =
40
16
56
32
|
15.
4 × 10 =
30
40
50
20
|
16.
2 × 6 =
48
18
42
12
|
|
17.
6 × 5 =
35
30
25
15
|
18.
3 × 5 =
40
30
20
15
|
19.
4 × 4 =
4
20
16
12
|
20.
1 × 6 =
54
24
12
6
|