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