Oefen de erbijsom en erafsom tot 50
In de mix
|
1.
38 – 1 =
37
2
|
2.
45 + 3 =
48
2
|
3.
13 + 27 =
40
2
|
4.
20 + 30 =
2
50
|
|
5.
8 + 18 =
2
26
|
6.
6 + 17 =
2
23
|
7.
44 – 7 =
37
2
|
8.
36 – 30 =
1
6
|
|
9.
32 – 10 =
22
2
|
10.
34 – 0 =
34
2
|
11.
44 + 4 =
2
48
|
12.
39 + 4 =
2
43
|
|
13.
23 + 13 =
2
36
|
14.
29 – 24 =
5
1
|
15.
29 – 6 =
23
2
|
16.
24 – 0 =
24
2
|
|
17.
12 + 25 =
37
2
|
18.
36 + 2 =
2
38
|
19.
14 – 14 =
2
0
|
20.
41 – 23 =
2
18
|