Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
9 + 15 =
24
4
3
2
|
2.
30 – 22 =
8
2
3
1
|
3.
40 – 18 =
4
2
3
22
|
4.
48 + 0 =
3
4
48
2
|
|
5.
44 + 0 =
2
44
4
3
|
6.
30 + 9 =
3
39
2
4
|
7.
19 + 22 =
4
3
41
2
|
8.
30 + 0 =
2
30
3
4
|
|
9.
38 – 29 =
3
1
2
9
|
10.
49 + 1 =
3
2
50
4
|
11.
4 + 33 =
2
3
37
4
|
12.
34 + 9 =
3
2
43
4
|
|
13.
21 – 1 =
3
4
20
2
|
14.
39 – 16 =
23
4
2
3
|
15.
6 + 10 =
2
3
4
16
|
16.
31 – 15 =
16
3
2
4
|
|
17.
26 + 19 =
4
2
3
45
|
18.
25 – 5 =
20
2
3
4
|
19.
30 + 8 =
2
3
38
4
|
20.
43 + 1 =
44
2
3
4
|