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