Erbijsom en erafsom maken tot 100
In de mix
1.
20
40
+
=
2.
20
10
+
=
3.
30
60
+
=
4.
90
40
–
=
5.
70
50
–
=
6.
50
20
+
=
7.
70
40
–
=
8.
10
10
+
=
9.
40
50
+
=
10.
40
30
–
=
11.
50
30
–
=
12.
20
20
+
=
13.
20
10
+
=
14.
10
10
+
=
15.
100
30
–
=
16.
90
30
–
=
17.
50
10
+
=
18.
80
20
–
=
19.
20
70
+
=
20.
100
90
–
=
21.
20
20
+
=
22.
70
60
–
=
23.
20
10
+
=
24.
20
20
+
=