Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
4 + 43 =
4
3
2
47
|
2.
28 – 15 =
3
13
1
2
|
3.
4 + 16 =
20
4
3
2
|
4.
12 – 0 =
3
12
1
2
|
|
5.
3 + 42 =
45
2
3
4
|
6.
1 – 1 =
0
4
3
2
|
7.
2 + 15 =
17
2
4
3
|
8.
11 + 17 =
4
2
3
28
|
|
9.
37 + 7 =
44
4
2
3
|
10.
6 – 0 =
1
6
2
3
|
11.
36 – 12 =
24
4
3
2
|
12.
22 – 9 =
2
3
13
1
|
|
13.
41 – 7 =
3
4
34
2
|
14.
32 – 4 =
3
4
2
28
|
15.
24 – 1 =
3
23
4
2
|
16.
44 – 30 =
14
2
1
3
|
|
17.
30 + 14 =
4
2
44
3
|
18.
6 + 31 =
2
37
3
4
|
19.
19 + 22 =
41
4
2
3
|
20.
14 – 13 =
2
3
4
1
|