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