Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
44 + 5 =
3
4
49
2
|
2.
22 – 8 =
2
3
14
1
|
3.
33 + 0 =
3
4
2
33
|
4.
23 + 18 =
3
41
2
4
|
|
5.
22 + 5 =
27
3
4
2
|
6.
3 – 1 =
3
1
2
4
|
7.
40 – 27 =
3
2
1
13
|
8.
4 + 25 =
2
3
29
4
|
|
9.
7 + 37 =
2
4
3
44
|
10.
24 + 0 =
3
4
2
24
|
11.
48 + 1 =
4
3
49
2
|
12.
41 – 8 =
3
2
4
33
|
|
13.
16 + 28 =
3
44
4
2
|
14.
45 + 0 =
2
45
4
3
|
15.
1 + 43 =
3
44
4
2
|
16.
25 – 12 =
3
1
2
13
|
|
17.
38 – 0 =
4
38
2
3
|
18.
42 + 4 =
4
3
2
46
|
19.
2 + 41 =
3
2
4
43
|
20.
31 – 3 =
4
28
3
2
|