Platzhalteraufgaben [1]
Minusrechnen
1.
–
30
=
727
2.
–
100
=
287
3.
–
90
=
407
4.
–
100
=
735
5.
–
20
=
913
6.
–
40
=
562
7.
–
100
=
785
8.
–
30
=
836
9.
–
10
=
304
10.
–
20
=
387
11.
–
80
=
778
12.
–
20
=
758
13.
–
80
=
258
14.
–
10
=
692
15.
–
90
=
234
16.
–
20
=
767
17.
–
60
=
917
18.
–
30
=
612
19.
–
60
=
589
20.
–
10
=
117
21.
–
50
=
791
22.
–
70
=
375
23.
–
80
=
107
24.
–
80
=
97
25.
–
90
=
461
26.
–
80
=
591
27.
–
90
=
113
28.
–
10
=
394
29.
–
90
=
804
30.
–
30
=
93
31.
–
70
=
238
32.
–
10
=
960
33.
–
50
=
888
34.
–
30
=
381
35.
–
10
=
771
36.
–
90
=
788