Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
42 – 28 =
2
14
1
3
|
2.
35 + 15 =
4
50
2
3
|
3.
35 – 34 =
4
2
3
1
|
4.
16 + 24 =
2
40
3
4
|
|
5.
49 + 0 =
3
2
4
49
|
6.
21 – 7 =
2
3
14
1
|
7.
7 + 35 =
2
3
4
42
|
8.
49 + 1 =
4
3
50
2
|
|
9.
43 + 1 =
4
2
3
44
|
10.
20 – 5 =
15
1
2
3
|
11.
14 + 21 =
35
4
2
3
|
12.
37 + 7 =
3
4
2
44
|
|
13.
2 – 1 =
3
4
2
1
|
14.
44 – 22 =
4
22
3
2
|
15.
4 – 1 =
4
1
3
2
|
16.
24 – 11 =
1
3
2
13
|
|
17.
49 + 1 =
3
2
50
4
|
18.
38 – 0 =
2
4
3
38
|
19.
33 + 16 =
2
3
4
49
|
20.
19 – 16 =
2
4
3
1
|