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