Oplossen van erafsommen tot 20
Erafsommen
|
1.
2 – 0 =
7
5
2
3
|
2.
2 – 2 =
0
3
1
2
|
3.
15 – 1 =
10
14
4
3
|
4.
6 – 0 =
7
5
3
6
|
|
5.
17 – 5 =
12
6
3
9
|
6.
4 – 0 =
4
5
2
9
|
7.
2 – 1 =
1
2
6
3
|
8.
4 – 2 =
5
1
2
4
|
|
9.
12 – 1 =
11
5
12
2
|
10.
10 – 9 =
5
1
4
3
|
11.
19 – 0 =
19
21
2
4
|
12.
14 – 10 =
4
2
9
5
|
|
13.
11 – 0 =
15
12
11
7
|
14.
8 – 6 =
2
4
5
1
|
15.
5 – 3 =
5
4
1
2
|
16.
4 – 2 =
4
1
2
7
|
|
17.
1 – 0 =
6
5
4
1
|
18.
1 – 0 =
2
1
3
6
|
19.
1 – 0 =
5
1
2
3
|
20.
18 – 1 =
14
17
7
22
|