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