Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
49 – 18 =
3
2
4
31
|
2.
45 + 5 =
4
50
3
2
|
3.
40 + 4 =
4
3
2
44
|
4.
12 + 19 =
3
4
2
31
|
|
5.
35 – 5 =
3
2
4
30
|
6.
47 – 18 =
3
4
29
2
|
7.
2 + 23 =
4
25
3
2
|
8.
16 + 20 =
36
2
3
4
|
|
9.
16 – 6 =
2
3
10
1
|
10.
20 – 3 =
17
4
2
3
|
11.
41 + 0 =
41
4
2
3
|
12.
1 – 1 =
2
4
0
3
|
|
13.
49 – 18 =
2
3
4
31
|
14.
5 – 2 =
1
3
4
2
|
15.
32 – 27 =
5
1
2
3
|
16.
32 + 2 =
34
4
3
2
|
|
17.
26 + 2 =
4
2
3
28
|
18.
4 – 4 =
3
2
0
4
|
19.
46 – 18 =
3
28
2
4
|
20.
9 + 23 =
2
32
4
3
|