Supersnelle sommen tot 20
Erbijsommen
|
1.
14 + 2 =
1
10
16
3
|
2.
10 + 9 =
19
11
6
8
|
3.
16 + 0 =
5
9
16
7
|
4.
20 + 0 =
8
20
15
7
|
|
5.
11 + 8 =
7
19
11
12
|
6.
13 + 7 =
5
11
8
20
|
7.
4 + 16 =
7
12
11
20
|
8.
10 + 0 =
10
1
8
2
|
|
9.
4 + 10 =
5
17
14
4
|
10.
15 + 4 =
1
19
9
4
|
11.
6 + 0 =
5
2
8
6
|
12.
6 + 0 =
5
7
6
4
|
|
13.
1 + 7 =
8
3
6
11
|
14.
11 + 9 =
20
10
11
4
|
15.
14 + 5 =
19
9
14
10
|
16.
1 + 3 =
1
7
4
5
|
|
17.
4 + 1 =
2
9
5
3
|
18.
16 + 3 =
14
5
9
19
|
19.
14 + 2 =
9
10
8
16
|
20.
7 + 4 =
9
8
11
4
|