Oplossen van erafsommen tot 20
Erafsommen
|
1.
9 – 3 =
9
4
3
6
|
2.
16 – 9 =
10
11
9
7
|
3.
9 – 8 =
3
5
1
4
|
4.
18 – 8 =
4
10
9
7
|
|
5.
16 – 6 =
3
9
13
10
|
6.
10 – 0 =
14
8
10
5
|
7.
5 – 0 =
5
9
1
8
|
8.
5 – 2 =
5
3
4
6
|
|
9.
6 – 1 =
6
2
7
5
|
10.
13 – 0 =
13
12
18
8
|
11.
20 – 0 =
20
22
8
6
|
12.
2 – 1 =
2
6
3
1
|
|
13.
7 – 3 =
6
4
9
1
|
14.
11 – 11 =
0
4
5
3
|
15.
13 – 11 =
6
2
7
5
|
16.
12 – 11 =
3
1
6
4
|
|
17.
6 – 0 =
5
6
7
2
|
18.
7 – 7 =
2
0
3
5
|
19.
17 – 1 =
16
4
18
2
|
20.
4 – 3 =
3
1
5
4
|