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