Erbij en eraf tot 50
In de mix
|
1.
5 + 27 =
32
2
|
2.
14 – 8 =
6
1
|
3.
26 + 17 =
2
43
|
4.
26 – 23 =
3
1
|
|
5.
21 + 20 =
2
41
|
6.
23 + 4 =
2
27
|
7.
17 + 16 =
2
33
|
8.
3 + 25 =
28
2
|
|
9.
45 + 1 =
2
46
|
10.
15 + 9 =
2
24
|
11.
21 – 5 =
16
2
|
12.
41 + 8 =
2
49
|
|
13.
48 + 2 =
2
50
|
14.
21 + 1 =
22
2
|
15.
31 – 26 =
5
1
|
16.
32 – 4 =
28
2
|
|
17.
2 – 0 =
2
1
|
18.
11 – 4 =
7
1
|
19.
42 – 35 =
1
7
|
20.
39 + 1 =
40
2
|