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