Oefen de erbijsom en erafsom tot 50
In de mix
|
1.
25 + 4 =
2
29
|
2.
25 + 9 =
34
2
|
3.
11 – 2 =
9
1
|
4.
24 + 14 =
38
2
|
|
5.
45 + 3 =
2
48
|
6.
36 + 6 =
2
42
|
7.
24 + 4 =
2
28
|
8.
25 – 0 =
25
2
|
|
9.
26 – 6 =
2
20
|
10.
18 – 14 =
1
4
|
11.
44 + 5 =
49
2
|
12.
21 – 1 =
20
2
|
|
13.
6 – 0 =
6
1
|
14.
43 – 8 =
35
2
|
15.
38 + 9 =
47
2
|
16.
48 + 2 =
50
2
|
|
17.
25 – 20 =
1
5
|
18.
32 + 9 =
2
41
|
19.
16 – 6 =
1
10
|
20.
42 – 39 =
3
1
|