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