Erbijsom en erafsom maken tot 100
In de mix
1.
30
40
+
=
2.
90
50
–
=
3.
40
20
–
=
4.
100
20
–
=
5.
20
0
+
=
6.
80
30
–
=
7.
40
30
–
=
8.
20
10
+
=
9.
40
60
+
=
10.
20
30
+
=
11.
60
40
–
=
12.
70
20
+
=
13.
30
60
+
=
14.
20
20
+
=
15.
30
40
+
=
16.
60
40
–
=
17.
40
20
+
=
18.
70
60
–
=
19.
70
30
–
=
20.
40
20
–
=
21.
30
20
–
=
22.
50
20
–
=
23.
80
20
–
=
24.
30
10
+
=