Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
39 + 9 =
48
4
2
3
|
2.
15 + 3 =
2
3
4
18
|
3.
26 + 24 =
3
4
2
50
|
4.
37 + 1 =
38
2
3
4
|
|
5.
21 + 16 =
2
4
37
3
|
6.
2 – 0 =
3
1
2
4
|
7.
48 – 22 =
2
4
3
26
|
8.
13 – 6 =
7
1
3
2
|
|
9.
21 – 19 =
4
3
2
1
|
10.
6 – 0 =
6
2
3
1
|
11.
33 – 16 =
4
3
2
17
|
12.
31 – 9 =
2
3
22
4
|
|
13.
45 – 37 =
2
8
3
1
|
14.
40 – 6 =
4
2
3
34
|
15.
35 + 1 =
2
36
3
4
|
16.
18 – 4 =
3
14
1
2
|
|
17.
5 + 0 =
5
3
1
2
|
18.
23 – 1 =
22
4
2
3
|
19.
17 + 13 =
2
4
30
3
|
20.
12 – 2 =
1
10
3
2
|