Maak de erbijsom en erafsom tot 50
In de mix
|
1.
18 – 0 =
2
18
|
2.
32 – 18 =
14
1
|
3.
7 + 31 =
2
38
|
4.
19 + 14 =
33
2
|
|
5.
22 + 17 =
2
39
|
6.
14 – 2 =
12
1
|
7.
49 – 29 =
2
20
|
8.
18 – 1 =
2
17
|
|
9.
45 – 14 =
2
31
|
10.
47 + 2 =
49
2
|
11.
21 + 12 =
33
2
|
12.
17 + 23 =
2
40
|
|
13.
50 + 0 =
50
2
|
14.
30 + 3 =
2
33
|
15.
3 + 46 =
49
2
|
16.
50 + 0 =
2
50
|
|
17.
31 – 15 =
16
2
|
18.
42 + 3 =
45
2
|
19.
28 + 21 =
49
2
|
20.
9 – 1 =
8
1
|