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