Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
40 – 9 =
2
3
4
31
|
2.
11 + 16 =
27
4
3
2
|
3.
35 + 0 =
4
2
35
3
|
4.
44 + 5 =
49
4
3
2
|
|
5.
38 – 23 =
1
3
15
2
|
6.
34 – 23 =
1
3
2
11
|
7.
49 – 4 =
4
45
3
2
|
8.
22 – 17 =
3
2
1
5
|
|
9.
22 – 2 =
20
4
3
2
|
10.
39 + 2 =
41
4
3
2
|
11.
25 – 5 =
20
4
3
2
|
12.
25 + 6 =
2
4
3
31
|
|
13.
47 – 28 =
19
2
4
3
|
14.
27 + 19 =
2
4
3
46
|
15.
34 – 31 =
1
2
4
3
|
16.
15 + 4 =
3
4
2
19
|
|
17.
41 + 8 =
4
3
2
49
|
18.
9 – 2 =
3
7
2
1
|
19.
42 – 32 =
1
3
2
10
|
20.
45 + 3 =
3
48
2
4
|