Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
2 + 15 =
17
4
2
3
|
2.
18 + 14 =
32
4
2
3
|
3.
33 – 20 =
13
1
3
2
|
4.
48 + 2 =
3
4
50
2
|
|
5.
14 + 20 =
3
2
4
34
|
6.
40 – 34 =
1
6
2
3
|
7.
42 + 8 =
3
2
50
4
|
8.
38 – 23 =
3
2
1
15
|
|
9.
26 – 10 =
2
16
4
3
|
10.
42 – 42 =
0
4
3
2
|
11.
40 – 34 =
2
6
1
3
|
12.
41 – 10 =
31
4
3
2
|
|
13.
29 – 17 =
3
2
1
12
|
14.
20 – 0 =
3
2
20
4
|
15.
49 – 12 =
2
3
4
37
|
16.
37 + 2 =
4
3
2
39
|
|
17.
36 + 6 =
3
2
4
42
|
18.
41 – 39 =
1
4
3
2
|
19.
7 + 22 =
4
29
3
2
|
20.
42 – 21 =
3
2
21
4
|