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