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