Oefen de erbijsom en erafsom tot 50
In de mix
|
1.
26 + 9 =
2
35
|
2.
34 + 1 =
35
2
|
3.
44 – 41 =
1
3
|
4.
35 + 10 =
2
45
|
|
5.
41 – 7 =
34
2
|
6.
23 – 19 =
4
1
|
7.
50 + 0 =
2
50
|
8.
27 – 25 =
1
2
|
|
9.
49 + 1 =
50
2
|
10.
38 + 8 =
46
2
|
11.
26 – 0 =
26
2
|
12.
25 – 25 =
2
0
|
|
13.
46 – 1 =
2
45
|
14.
43 + 3 =
2
46
|
15.
41 + 1 =
2
42
|
16.
30 + 20 =
2
50
|
|
17.
38 + 12 =
2
50
|
18.
41 + 9 =
2
50
|
19.
10 + 34 =
44
2
|
20.
26 – 16 =
1
10
|