Oefen met de tafel van 20
Tafels
|
1.
2 × 20 =
40
160
60
120
|
2.
3 × 20 =
140
200
60
80
|
3.
7 × 20 =
80
20
140
60
|
4.
2 × 20 =
40
140
180
80
|
|
5.
9 × 20 =
80
40
180
120
|
6.
2 × 20 =
140
80
40
20
|
7.
7 × 20 =
140
60
80
180
|
8.
2 × 20 =
160
120
40
100
|
|
9.
7 × 20 =
200
180
140
20
|
10.
1 × 20 =
140
180
60
20
|
11.
2 × 20 =
40
100
80
180
|
12.
1 × 20 =
180
80
20
140
|
|
13.
1 × 20 =
80
20
180
100
|
14.
4 × 20 =
120
80
160
20
|
15.
9 × 20 =
180
200
140
160
|
16.
8 × 20 =
200
80
60
160
|
|
17.
4 × 20 =
200
80
160
60
|
18.
3 × 20 =
120
80
180
60
|
19.
7 × 20 =
100
160
200
140
|
20.
1 × 20 =
20
200
60
40
|