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