Erbij en eraf tot 50
In de mix
|
1.
20 + 12 =
2
32
|
2.
42 – 29 =
13
1
|
3.
20 – 20 =
0
2
|
4.
31 + 4 =
35
2
|
|
5.
23 – 12 =
1
11
|
6.
4 – 0 =
4
1
|
7.
45 – 33 =
12
1
|
8.
26 – 5 =
2
21
|
|
9.
9 + 23 =
2
32
|
10.
41 – 19 =
2
22
|
11.
22 + 28 =
2
50
|
12.
50 + 0 =
50
2
|
|
13.
41 + 9 =
2
50
|
14.
41 + 4 =
45
2
|
15.
44 + 3 =
47
2
|
16.
9 + 7 =
2
16
|
|
17.
20 – 11 =
1
9
|
18.
24 – 17 =
1
7
|
19.
44 + 2 =
2
46
|
20.
50 – 49 =
1
2
|