Oefen de erbijsom en erafsom tot 50
In de mix
|
1.
47 – 25 =
22
2
|
2.
38 – 11 =
2
27
|
3.
11 + 24 =
2
35
|
4.
19 – 6 =
1
13
|
|
5.
47 + 1 =
2
48
|
6.
18 + 2 =
2
20
|
7.
33 + 7 =
40
2
|
8.
27 + 5 =
32
2
|
|
9.
41 + 3 =
44
2
|
10.
2 + 24 =
26
2
|
11.
16 + 4 =
20
2
|
12.
11 + 6 =
17
2
|
|
13.
12 + 6 =
18
2
|
14.
44 + 2 =
46
2
|
15.
9 + 5 =
14
1
|
16.
40 – 33 =
7
1
|
|
17.
24 – 14 =
10
1
|
18.
37 – 1 =
36
2
|
19.
22 + 19 =
41
2
|
20.
19 – 2 =
2
17
|