Los de erbijsom en erafsom tot 50 op
In de mix
|
1.
17 – 16 =
2
1
4
3
|
2.
39 – 32 =
1
3
2
7
|
3.
41 + 6 =
2
3
47
4
|
4.
49 + 0 =
4
49
3
2
|
|
5.
18 + 3 =
4
2
21
3
|
6.
37 + 7 =
44
2
4
3
|
7.
48 – 30 =
4
3
18
2
|
8.
43 – 1 =
42
3
4
2
|
|
9.
29 – 18 =
1
3
2
11
|
10.
46 + 0 =
3
4
2
46
|
11.
9 – 5 =
4
1
3
2
|
12.
7 + 25 =
2
32
3
4
|
|
13.
36 – 17 =
4
19
2
3
|
14.
15 + 13 =
28
2
4
3
|
15.
5 + 2 =
7
1
3
2
|
16.
2 + 20 =
22
2
3
4
|
|
17.
33 – 24 =
1
2
3
9
|
18.
18 – 18 =
3
2
4
0
|
19.
21 + 6 =
3
27
4
2
|
20.
28 – 28 =
0
4
2
3
|