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