Erbij en eraf tot 50
In de mix
|
1.
5 + 29 =
34
2
|
2.
21 – 11 =
10
1
|
3.
1 – 1 =
2
0
|
4.
32 + 15 =
47
2
|
|
5.
18 + 8 =
2
26
|
6.
3 – 3 =
0
2
|
7.
16 + 5 =
2
21
|
8.
19 + 0 =
19
2
|
|
9.
43 – 0 =
2
43
|
10.
14 + 2 =
2
16
|
11.
3 + 2 =
5
1
|
12.
21 + 23 =
44
2
|
|
13.
10 + 15 =
2
25
|
14.
10 + 3 =
13
1
|
15.
8 + 12 =
20
2
|
16.
49 – 6 =
2
43
|
|
17.
23 + 17 =
2
40
|
18.
12 – 6 =
1
6
|
19.
1 + 3 =
4
1
|
20.
36 + 12 =
48
2
|