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