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