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