Los de erbijsom en erafsom tot 50 op
In de mix
|
1.
27 – 18 =
3
1
2
9
|
2.
12 + 20 =
4
2
3
32
|
3.
16 + 33 =
2
3
49
4
|
4.
19 – 9 =
10
1
2
3
|
|
5.
23 – 11 =
3
2
1
12
|
6.
11 – 8 =
2
4
3
1
|
7.
17 + 7 =
24
4
2
3
|
8.
34 + 1 =
2
4
35
3
|
|
9.
1 – 1 =
4
2
0
3
|
10.
22 + 20 =
3
42
4
2
|
11.
49 + 0 =
49
3
4
2
|
12.
5 – 2 =
2
3
4
1
|
|
13.
38 – 3 =
3
2
4
35
|
14.
29 + 17 =
3
4
2
46
|
15.
19 + 13 =
32
2
4
3
|
16.
39 – 38 =
2
1
4
3
|
|
17.
19 – 0 =
3
4
19
2
|
18.
20 – 10 =
2
3
10
1
|
19.
49 + 0 =
3
49
4
2
|
20.
13 – 7 =
3
1
2
6
|