Erbijsom en erafsom maken tot 100
In de mix
1.
30
20
+
=
2.
60
40
+
=
3.
20
20
+
=
4.
20
50
+
=
5.
20
0
+
=
6.
100
50
–
=
7.
40
30
–
=
8.
20
40
+
=
9.
40
30
–
=
10.
50
30
–
=
11.
50
40
–
=
12.
10
10
+
=
13.
30
10
+
=
14.
80
40
–
=
15.
100
30
–
=
16.
20
10
+
=
17.
70
20
+
=
18.
60
30
–
=
19.
30
50
+
=
20.
40
30
–
=
21.
30
20
–
=
22.
100
20
–
=
23.
20
20
+
=
24.
40
20
–
=