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