Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
20 – 2 =
4
18
2
3
|
2.
22 – 19 =
3
1
2
4
|
3.
18 + 19 =
4
37
3
2
|
4.
19 + 2 =
21
3
4
2
|
|
5.
25 – 19 =
2
3
6
1
|
6.
3 – 2 =
3
1
2
4
|
7.
7 + 26 =
33
3
4
2
|
8.
21 + 10 =
2
31
4
3
|
|
9.
48 – 2 =
46
3
4
2
|
10.
28 – 8 =
2
20
4
3
|
11.
5 + 16 =
4
2
3
21
|
12.
17 – 2 =
1
2
15
3
|
|
13.
47 + 1 =
2
3
4
48
|
14.
8 – 6 =
3
4
2
1
|
15.
10 + 31 =
3
2
4
41
|
16.
48 + 2 =
4
3
2
50
|
|
17.
38 – 18 =
20
3
4
2
|
18.
31 + 0 =
2
3
31
4
|
19.
23 + 8 =
2
4
3
31
|
20.
18 + 20 =
2
4
38
3
|