Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
18 + 19 =
3
4
2
37
|
2.
27 + 13 =
3
2
4
40
|
3.
30 – 17 =
1
2
13
3
|
4.
47 – 1 =
3
46
4
2
|
|
5.
33 + 17 =
50
4
3
2
|
6.
31 – 29 =
4
1
3
2
|
7.
38 – 15 =
4
3
23
2
|
8.
18 – 4 =
14
2
1
3
|
|
9.
30 – 29 =
4
2
1
3
|
10.
38 + 9 =
47
3
2
4
|
11.
44 – 0 =
2
3
4
44
|
12.
35 + 3 =
38
2
4
3
|
|
13.
48 + 0 =
2
48
4
3
|
14.
22 + 7 =
29
4
2
3
|
15.
5 – 0 =
3
5
1
2
|
16.
49 – 41 =
3
2
8
1
|
|
17.
2 – 0 =
2
1
4
3
|
18.
32 – 10 =
22
4
2
3
|
19.
47 + 1 =
3
4
48
2
|
20.
26 – 24 =
3
2
4
1
|