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