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