Platzhalteraufgaben [1]
Minusrechnen
1.
–
40
=
609
2.
–
10
=
671
3.
–
100
=
730
4.
–
40
=
941
5.
–
50
=
71
6.
–
60
=
358
7.
–
40
=
837
8.
–
60
=
511
9.
–
20
=
720
10.
–
100
=
767
11.
–
80
=
230
12.
–
20
=
233
13.
–
60
=
584
14.
–
60
=
701
15.
–
20
=
467
16.
–
10
=
109
17.
–
20
=
494
18.
–
40
=
498
19.
–
30
=
946
20.
–
80
=
285
21.
–
90
=
856
22.
–
40
=
663
23.
–
70
=
517
24.
–
100
=
704
25.
–
40
=
150
26.
–
20
=
670
27.
–
90
=
360
28.
–
80
=
837
29.
–
20
=
899
30.
–
50
=
462
31.
–
60
=
892
32.
–
100
=
741
33.
–
100
=
144
34.
–
30
=
124
35.
–
40
=
214
36.
–
80
=
465