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