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