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