Maak de erbijsom en erafsom tot 50
In de mix
|
1.
40 + 3 =
43
2
|
2.
40 – 20 =
20
2
|
3.
7 + 41 =
48
2
|
4.
45 – 29 =
2
16
|
|
5.
27 – 25 =
2
1
|
6.
3 – 3 =
2
0
|
7.
28 – 27 =
1
2
|
8.
19 – 14 =
5
1
|
|
9.
22 + 10 =
32
2
|
10.
48 – 1 =
47
2
|
11.
36 – 28 =
1
8
|
12.
30 – 26 =
4
1
|
|
13.
15 + 18 =
33
2
|
14.
33 – 21 =
12
1
|
15.
1 – 1 =
2
0
|
16.
30 + 4 =
2
34
|
|
17.
40 – 0 =
2
40
|
18.
42 + 8 =
50
2
|
19.
34 + 2 =
2
36
|
20.
11 – 0 =
1
11
|