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