Maak de erbijsom en erafsom tot 20
In de mix
|
1.
8 + 4 =
1
12
|
2.
3 + 14 =
2
17
|
3.
4 – 0 =
1
4
|
4.
16 + 0 =
2
16
|
|
5.
14 – 5 =
1
9
|
6.
1 – 1 =
0
2
|
7.
5 + 4 =
1
9
|
8.
1 + 2 =
3
1
|
|
9.
20 – 10 =
1
10
|
10.
14 – 5 =
1
9
|
11.
10 + 8 =
2
18
|
12.
20 + 0 =
2
20
|
|
13.
11 + 2 =
1
13
|
14.
15 + 0 =
1
15
|
15.
3 – 2 =
2
1
|
16.
10 + 5 =
15
1
|
|
17.
3 + 0 =
3
1
|
18.
12 + 2 =
14
1
|
19.
6 – 0 =
6
1
|
20.
13 – 2 =
11
1
|