Maak de erbijsom en erafsom tot 50
In de mix
|
1.
4 + 12 =
2
16
|
2.
39 – 24 =
15
1
|
3.
9 + 19 =
28
2
|
4.
15 + 16 =
31
2
|
|
5.
2 – 1 =
2
1
|
6.
32 + 0 =
32
2
|
7.
20 + 13 =
2
33
|
8.
2 – 0 =
1
2
|
|
9.
12 + 18 =
2
30
|
10.
40 + 0 =
40
2
|
11.
46 + 0 =
46
2
|
12.
13 + 14 =
2
27
|
|
13.
37 + 0 =
2
37
|
14.
48 + 1 =
49
2
|
15.
3 + 15 =
2
18
|
16.
40 + 7 =
2
47
|
|
17.
35 + 15 =
50
2
|
18.
20 + 17 =
2
37
|
19.
46 – 30 =
2
16
|
20.
12 – 7 =
1
5
|