Los de erbijsom en erafsom tot 50 op
In de mix
|
1.
23 – 23 =
0
2
4
3
|
2.
19 – 8 =
3
2
1
11
|
3.
31 – 8 =
2
3
23
4
|
4.
13 – 12 =
1
3
2
4
|
|
5.
34 + 5 =
39
3
4
2
|
6.
39 – 10 =
29
4
3
2
|
7.
13 – 2 =
3
1
11
2
|
8.
33 + 8 =
3
41
2
4
|
|
9.
35 + 2 =
4
37
3
2
|
10.
7 – 6 =
3
2
1
4
|
11.
36 + 4 =
2
4
3
40
|
12.
1 – 1 =
3
0
4
2
|
|
13.
9 + 7 =
4
3
2
16
|
14.
2 + 1 =
3
1
4
2
|
15.
17 + 6 =
4
2
23
3
|
16.
5 + 16 =
3
4
21
2
|
|
17.
10 – 2 =
1
2
8
3
|
18.
46 – 22 =
3
4
24
2
|
19.
21 + 7 =
3
4
2
28
|
20.
26 – 22 =
3
2
1
4
|