Oefen de erbijsom en erafsom tot 50
In de mix
|
1.
1 – 0 =
2
1
|
2.
24 + 14 =
2
38
|
3.
34 + 13 =
47
2
|
4.
4 – 0 =
4
1
|
|
5.
2 – 0 =
2
1
|
6.
16 + 3 =
2
19
|
7.
5 – 5 =
0
2
|
8.
27 + 10 =
37
2
|
|
9.
27 + 19 =
2
46
|
10.
6 + 0 =
6
1
|
11.
30 – 7 =
23
2
|
12.
28 + 10 =
38
2
|
|
13.
17 + 8 =
25
2
|
14.
45 – 24 =
21
2
|
15.
32 – 21 =
1
11
|
16.
23 + 23 =
2
46
|
|
17.
16 + 2 =
18
2
|
18.
48 + 1 =
49
2
|
19.
47 + 0 =
47
2
|
20.
4 + 18 =
22
2
|