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