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