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