Supersnelle erbijsommen en erafsommen tot 50

In de mix
1.
17 12 =
3
1
2
5
2.
11 + 37 =
3
4
48
2
3.
48 18 =
30
2
4
3
4.
15 15 =
2
3
4
0
5.
15 + 18 =
3
2
4
33
6.
31 + 0 =
2
3
31
4
7.
9 + 9 =
18
3
2
4
8.
36 + 10 =
46
3
2
4
9.
28 4 =
2
4
3
24
10.
6 4 =
2
1
4
3
11.
39 + 1 =
2
4
40
3
12.
11 + 21 =
3
2
4
32
13.
29 1 =
3
4
28
2
14.
41 + 4 =
3
45
2
4
15.
42 24 =
4
18
2
3
16.
36 + 0 =
3
4
36
2
17.
25 3 =
4
22
2
3
18.
20 7 =
13
3
1
2
19.
2 0 =
2
1
3
4
20.
46 0 =
46
3
4
2

Supersnelle erbijsommen en erafsommen tot 50
| ANTWOORDEN

In de mix
1.
17 12 =
3
1
2
5
2.
11 + 37 =
3
4
48
2
3.
48 18 =
30
2
4
3
4.
15 15 =
2
3
4
0
5.
15 + 18 =
3
2
4
33
6.
31 + 0 =
2
3
31
4
7.
9 + 9 =
18
3
2
4
8.
36 + 10 =
46
3
2
4
9.
28 4 =
2
4
3
24
10.
6 4 =
2
1
4
3
11.
39 + 1 =
2
4
40
3
12.
11 + 21 =
3
2
4
32
13.
29 1 =
3
4
28
2
14.
41 + 4 =
3
45
2
4
15.
42 24 =
4
18
2
3
16.
36 + 0 =
3
4
36
2
17.
25 3 =
4
22
2
3
18.
20 7 =
13
3
1
2
19.
2 0 =
2
1
3
4
20.
46 0 =
46
3
4
2