Maak de erbijsom en erafsom tot 50
In de mix
|
1.
3 – 1 =
1
2
|
2.
38 – 17 =
21
2
|
3.
3 + 31 =
34
2
|
4.
14 – 7 =
1
7
|
|
5.
3 – 0 =
1
3
|
6.
9 – 4 =
1
5
|
7.
18 + 5 =
2
23
|
8.
18 – 8 =
10
1
|
|
9.
25 – 3 =
2
22
|
10.
5 + 8 =
13
1
|
11.
15 + 26 =
2
41
|
12.
6 – 5 =
1
2
|
|
13.
13 – 1 =
12
1
|
14.
24 + 21 =
2
45
|
15.
28 – 21 =
7
1
|
16.
3 – 3 =
2
0
|
|
17.
50 – 43 =
7
1
|
18.
22 + 6 =
2
28
|
19.
43 + 5 =
2
48
|
20.
36 – 27 =
9
1
|