Erbij en eraf tot 50
In de mix
|
1.
43 – 4 =
39
2
|
2.
9 – 4 =
1
5
|
3.
11 + 22 =
2
33
|
4.
39 – 28 =
11
1
|
|
5.
16 – 7 =
9
1
|
6.
5 – 1 =
1
4
|
7.
31 + 5 =
36
2
|
8.
7 – 6 =
2
1
|
|
9.
5 – 0 =
1
5
|
10.
21 + 16 =
2
37
|
11.
46 – 7 =
39
2
|
12.
24 + 17 =
2
41
|
|
13.
44 + 4 =
2
48
|
14.
44 + 5 =
2
49
|
15.
30 + 1 =
2
31
|
16.
26 – 10 =
2
16
|
|
17.
37 + 4 =
41
2
|
18.
9 – 2 =
1
7
|
19.
15 – 4 =
11
1
|
20.
9 + 21 =
30
2
|