Erbijsommen en erafsommen tot 50
In de mix
1.
20
15
–
=
2.
45
20
–
=
3.
10
5
+
=
4.
40
15
–
=
5.
50
15
–
=
6.
45
15
–
=
7.
15
20
+
=
8.
35
15
+
=
9.
15
30
+
=
10.
15
20
+
=
11.
15
5
+
=
12.
15
5
+
=
13.
15
5
+
=
14.
25
15
–
=
15.
25
5
+
=
16.
25
15
–
=
17.
15
0
+
=
18.
30
20
–
=
19.
40
35
–
=
20.
35
25
–
=
21.
45
15
–
=
22.
45
25
–
=
23.
10
5
+
=
24.
30
20
+
=