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