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