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