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