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