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