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