Erafsommen tot 20
Erafsommen
|
1.
6 – 2 =
3
4
|
2.
17 – 0 =
17
5
|
3.
12 – 0 =
10
12
|
4.
15 – 15 =
0
1
|
|
5.
16 – 8 =
3
8
|
6.
18 – 13 =
5
6
|
7.
5 – 5 =
0
3
|
8.
13 – 0 =
13
17
|
|
9.
18 – 10 =
8
10
|
10.
15 – 5 =
10
15
|
11.
13 – 5 =
13
8
|
12.
7 – 2 =
1
5
|
|
13.
4 – 1 =
3
8
|
14.
19 – 15 =
9
4
|
15.
6 – 6 =
5
0
|
16.
8 – 2 =
6
10
|
|
17.
5 – 5 =
0
5
|
18.
18 – 5 =
10
13
|
19.
10 – 10 =
5
0
|
20.
13 – 12 =
1
4
|