Oefen de erbijsom en erafsom tot 50
In de mix
|
1.
44 – 16 =
28
2
|
2.
19 + 27 =
46
2
|
3.
47 – 3 =
44
2
|
4.
16 – 11 =
1
5
|
|
5.
42 + 5 =
47
2
|
6.
10 – 5 =
1
5
|
7.
5 + 35 =
40
2
|
8.
19 + 11 =
2
30
|
|
9.
47 – 2 =
45
2
|
10.
38 + 3 =
41
2
|
11.
39 – 10 =
29
2
|
12.
18 + 11 =
2
29
|
|
13.
20 + 6 =
26
2
|
14.
44 + 1 =
2
45
|
15.
17 – 13 =
1
4
|
16.
9 – 5 =
4
1
|
|
17.
10 – 5 =
1
5
|
18.
8 + 31 =
39
2
|
19.
45 – 40 =
5
1
|
20.
22 + 10 =
2
32
|