Platzhalteraufgaben [1]
Minusrechnen
1.
–
60
=
691
2.
–
80
=
621
3.
–
60
=
272
4.
–
100
=
507
5.
–
20
=
829
6.
–
60
=
247
7.
–
40
=
701
8.
–
70
=
782
9.
–
90
=
570
10.
–
90
=
137
11.
–
60
=
154
12.
–
40
=
756
13.
–
90
=
604
14.
–
50
=
950
15.
–
20
=
738
16.
–
50
=
557
17.
–
50
=
814
18.
–
70
=
866
19.
–
60
=
474
20.
–
60
=
408
21.
–
50
=
546
22.
–
80
=
795
23.
–
20
=
760
24.
–
60
=
531
25.
–
10
=
127
26.
–
50
=
824
27.
–
70
=
836
28.
–
20
=
918
29.
–
90
=
490
30.
–
20
=
346
31.
–
100
=
588
32.
–
40
=
314
33.
–
50
=
402
34.
–
80
=
396
35.
–
10
=
688
36.
–
100
=
342