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