Erbijsommen en erafsommen tot 100
In de mix
1.
38
56
+
=
2.
34
5
–
=
3.
22
52
+
=
4.
28
17
–
=
5.
65
14
–
=
6.
25
61
+
=
7.
69
5
+
=
8.
21
14
–
=
9.
31
28
–
=
10.
39
39
–
=
11.
20
9
–
=
12.
64
29
+
=
13.
16
31
+
=
14.
55
45
+
=
15.
41
15
–
=
16.
27
21
–
=
17.
32
52
+
=
18.
50
48
+
=
19.
41
9
+
=
20.
23
43
+
=
21.
95
3
+
=
22.
22
17
–
=
23.
44
39
–
=
24.
51
18
–
=