Maak de erbijsom en erafsom tot 50
In de mix
|
1.
37 – 18 =
19
2
|
2.
39 – 19 =
2
20
|
3.
19 + 4 =
2
23
|
4.
41 + 4 =
2
45
|
|
5.
30 – 30 =
0
2
|
6.
17 – 9 =
1
8
|
7.
13 + 4 =
2
17
|
8.
10 + 35 =
2
45
|
|
9.
9 + 7 =
2
16
|
10.
41 + 6 =
47
2
|
11.
18 – 7 =
1
11
|
12.
18 + 14 =
2
32
|
|
13.
10 + 28 =
2
38
|
14.
48 – 10 =
2
38
|
15.
2 + 3 =
1
5
|
16.
24 – 15 =
1
9
|
|
17.
30 + 10 =
40
2
|
18.
37 – 36 =
2
1
|
19.
16 – 1 =
15
1
|
20.
18 + 30 =
48
2
|