Maak de erbijsom en erafsom tot 50
In de mix
|
1.
40 – 20 =
2
20
|
2.
30 + 14 =
44
2
|
3.
7 – 4 =
1
3
|
4.
11 + 13 =
2
24
|
|
5.
9 – 6 =
1
3
|
6.
1 + 41 =
42
2
|
7.
21 + 5 =
26
2
|
8.
29 – 16 =
13
1
|
|
9.
36 + 2 =
38
2
|
10.
8 + 35 =
2
43
|
11.
37 + 7 =
44
2
|
12.
29 + 2 =
31
2
|
|
13.
24 + 8 =
2
32
|
14.
28 + 15 =
2
43
|
15.
49 – 49 =
0
2
|
16.
8 + 32 =
40
2
|
|
17.
17 + 3 =
20
2
|
18.
35 + 0 =
35
2
|
19.
11 – 4 =
7
1
|
20.
21 – 14 =
7
1
|