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