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