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