Erbij en eraf tot 50
In de mix
|
1.
33 + 12 =
45
2
|
2.
4 – 1 =
3
1
|
3.
27 – 27 =
2
0
|
4.
23 – 5 =
2
18
|
|
5.
49 – 33 =
2
16
|
6.
29 + 18 =
2
47
|
7.
20 – 3 =
17
2
|
8.
41 – 1 =
2
40
|
|
9.
11 – 0 =
11
1
|
10.
26 + 13 =
39
2
|
11.
41 – 18 =
2
23
|
12.
43 – 37 =
6
1
|
|
13.
41 + 7 =
48
2
|
14.
37 – 5 =
32
2
|
15.
1 + 21 =
2
22
|
16.
11 – 10 =
1
2
|
|
17.
34 – 3 =
2
31
|
18.
43 + 3 =
46
2
|
19.
19 – 19 =
0
2
|
20.
6 + 42 =
2
48
|