Oefen de erbijsom en erafsom tot 50
In de mix
|
1.
36 – 5 =
31
2
|
2.
17 + 24 =
2
41
|
3.
19 – 11 =
8
1
|
4.
35 – 17 =
18
2
|
|
5.
15 – 1 =
1
14
|
6.
18 – 11 =
7
1
|
7.
19 + 23 =
2
42
|
8.
16 + 17 =
2
33
|
|
9.
50 – 10 =
2
40
|
10.
37 + 7 =
44
2
|
11.
23 + 24 =
2
47
|
12.
35 + 15 =
50
2
|
|
13.
45 – 45 =
0
2
|
14.
28 + 12 =
2
40
|
15.
18 – 0 =
2
18
|
16.
33 – 17 =
16
2
|
|
17.
22 – 4 =
2
18
|
18.
7 – 3 =
4
1
|
19.
7 + 19 =
26
2
|
20.
46 + 2 =
48
2
|