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