Erbij en eraf tot 50
In de mix
|
1.
31 – 18 =
1
13
|
2.
44 – 31 =
13
1
|
3.
45 – 43 =
1
2
|
4.
39 + 0 =
2
39
|
|
5.
24 + 10 =
2
34
|
6.
3 – 0 =
3
1
|
7.
4 + 38 =
2
42
|
8.
29 – 18 =
11
1
|
|
9.
6 + 30 =
2
36
|
10.
36 – 36 =
2
0
|
11.
39 + 4 =
2
43
|
12.
45 – 30 =
15
1
|
|
13.
16 – 13 =
1
3
|
14.
20 – 14 =
1
6
|
15.
34 + 6 =
40
2
|
16.
17 – 14 =
1
3
|
|
17.
19 + 7 =
2
26
|
18.
15 – 1 =
14
1
|
19.
25 + 7 =
2
32
|
20.
47 – 16 =
2
31
|