Erbij en eraf tot 50
In de mix
|
1.
12 + 6 =
18
2
|
2.
41 – 2 =
2
39
|
3.
20 + 24 =
44
2
|
4.
15 – 9 =
6
1
|
|
5.
31 – 20 =
11
1
|
6.
30 + 17 =
2
47
|
7.
36 – 18 =
2
18
|
8.
49 – 15 =
2
34
|
|
9.
12 – 8 =
4
1
|
10.
48 – 36 =
12
1
|
11.
33 – 28 =
1
5
|
12.
49 + 0 =
49
2
|
|
13.
9 – 9 =
2
0
|
14.
42 – 5 =
2
37
|
15.
29 + 7 =
36
2
|
16.
36 – 32 =
4
1
|
|
17.
40 + 10 =
2
50
|
18.
29 – 18 =
1
11
|
19.
17 – 1 =
2
16
|
20.
39 + 5 =
2
44
|