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