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