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