Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
38 + 2 =
4
3
2
40
|
2.
25 – 17 =
8
1
2
3
|
3.
15 – 13 =
4
2
3
1
|
4.
20 + 23 =
3
43
4
2
|
|
5.
43 + 0 =
3
43
4
2
|
6.
4 – 1 =
1
4
3
2
|
7.
36 + 8 =
44
4
2
3
|
8.
3 + 31 =
3
34
2
4
|
|
9.
34 + 9 =
4
43
3
2
|
10.
29 + 4 =
2
33
4
3
|
11.
14 – 2 =
1
2
12
3
|
12.
36 + 11 =
3
2
47
4
|
|
13.
40 + 7 =
3
47
2
4
|
14.
27 + 3 =
4
2
3
30
|
15.
13 + 3 =
16
3
2
4
|
16.
19 – 16 =
3
1
2
4
|
|
17.
22 – 17 =
5
1
2
3
|
18.
34 – 2 =
4
3
2
32
|
19.
28 + 9 =
4
37
3
2
|
20.
29 – 19 =
1
3
10
2
|