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