Platzhalteraufgaben [1]
Minusrechnen
1.
–
60
=
856
2.
–
10
=
102
3.
–
90
=
34
4.
–
80
=
459
5.
–
50
=
798
6.
–
30
=
968
7.
–
100
=
749
8.
–
100
=
412
9.
–
100
=
495
10.
–
70
=
502
11.
–
70
=
459
12.
–
20
=
383
13.
–
20
=
614
14.
–
40
=
729
15.
–
100
=
167
16.
–
20
=
746
17.
–
70
=
827
18.
–
90
=
443
19.
–
40
=
96
20.
–
50
=
299
21.
–
30
=
139
22.
–
40
=
846
23.
–
30
=
624
24.
–
20
=
164
25.
–
50
=
547
26.
–
70
=
888
27.
–
90
=
309
28.
–
100
=
87
29.
–
60
=
716
30.
–
50
=
811
31.
–
40
=
928
32.
–
100
=
815
33.
–
70
=
458
34.
–
10
=
674
35.
–
90
=
836
36.
–
10
=
655