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