Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
10 + 17 =
3
4
27
2
|
2.
41 + 4 =
3
4
45
2
|
3.
37 – 34 =
1
2
4
3
|
4.
4 – 0 =
4
1
2
3
|
|
5.
37 – 13 =
2
24
4
3
|
6.
48 + 0 =
4
2
48
3
|
7.
13 + 15 =
3
28
4
2
|
8.
19 + 11 =
3
4
30
2
|
|
9.
43 – 40 =
3
2
1
4
|
10.
49 – 24 =
25
2
4
3
|
11.
28 – 20 =
8
3
2
1
|
12.
44 + 4 =
2
4
3
48
|
|
13.
3 + 17 =
4
2
20
3
|
14.
34 + 0 =
34
2
3
4
|
15.
5 + 16 =
4
21
3
2
|
16.
47 + 0 =
3
47
4
2
|
|
17.
36 + 9 =
4
3
45
2
|
18.
44 – 10 =
2
4
34
3
|
19.
3 + 8 =
3
2
1
11
|
20.
6 – 0 =
1
3
2
6
|