Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
9 – 8 =
3
2
4
1
|
2.
47 – 2 =
45
4
2
3
|
3.
33 + 13 =
46
3
2
4
|
4.
48 – 39 =
9
2
3
1
|
|
5.
30 + 0 =
4
2
3
30
|
6.
10 + 9 =
19
4
3
2
|
7.
10 + 27 =
37
3
4
2
|
8.
20 – 14 =
1
2
6
3
|
|
9.
26 – 19 =
1
7
3
2
|
10.
31 – 24 =
3
7
1
2
|
11.
7 + 26 =
2
33
3
4
|
12.
29 + 12 =
3
41
2
4
|
|
13.
24 – 10 =
2
14
1
3
|
14.
2 + 25 =
4
27
3
2
|
15.
20 + 6 =
4
26
3
2
|
16.
9 + 5 =
1
3
14
2
|
|
17.
5 + 14 =
3
4
19
2
|
18.
24 + 3 =
27
3
2
4
|
19.
38 – 34 =
2
1
4
3
|
20.
11 + 25 =
3
36
4
2
|