Maak de erbijsom en erafsom tot 50
In de mix
|
1.
27 – 27 =
0
2
|
2.
31 + 17 =
2
48
|
3.
12 + 10 =
22
2
|
4.
3 + 34 =
2
37
|
|
5.
35 + 3 =
2
38
|
6.
6 + 14 =
20
2
|
7.
9 + 21 =
30
2
|
8.
45 – 12 =
2
33
|
|
9.
1 – 0 =
1
2
|
10.
45 – 9 =
2
36
|
11.
40 – 38 =
2
1
|
12.
14 – 3 =
1
11
|
|
13.
43 + 0 =
2
43
|
14.
50 – 22 =
28
2
|
15.
38 – 9 =
29
2
|
16.
13 + 26 =
2
39
|
|
17.
7 + 11 =
18
2
|
18.
11 – 2 =
1
9
|
19.
13 + 36 =
2
49
|
20.
34 + 15 =
49
2
|