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