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