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