Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
28 + 3 =
2
31
4
3
|
2.
47 – 23 =
3
24
2
4
|
3.
49 – 37 =
3
1
2
12
|
4.
41 + 2 =
43
2
3
4
|
|
5.
23 + 4 =
4
2
27
3
|
6.
4 – 3 =
3
1
4
2
|
7.
39 + 2 =
2
3
41
4
|
8.
38 + 3 =
41
4
2
3
|
|
9.
45 + 3 =
48
2
3
4
|
10.
12 + 30 =
3
2
42
4
|
11.
31 – 22 =
9
3
1
2
|
12.
39 + 7 =
4
3
2
46
|
|
13.
40 + 0 =
2
4
40
3
|
14.
43 – 23 =
4
2
3
20
|
15.
38 + 1 =
4
3
2
39
|
16.
42 + 4 =
2
46
4
3
|
|
17.
36 – 12 =
3
2
4
24
|
18.
50 + 0 =
50
3
4
2
|
19.
13 – 5 =
1
8
3
2
|
20.
15 – 12 =
2
1
3
4
|