Platzhalteraufgaben [2]
Minusrechnen
1.
–
40
=
833
2.
–
50
=
645
3.
–
40
=
715
4.
–
10
=
621
5.
–
50
=
218
6.
–
60
=
291
7.
–
90
=
798
8.
–
80
=
319
9.
–
90
=
821
10.
–
70
=
880
11.
–
10
=
635
12.
–
60
=
111
13.
–
40
=
79
14.
–
80
=
494
15.
–
60
=
441
16.
–
10
=
512
17.
–
60
=
804
18.
–
50
=
670
19.
–
50
=
521
20.
–
70
=
411
21.
–
70
=
257
22.
–
80
=
651
23.
–
60
=
240
24.
–
20
=
823
25.
–
50
=
371
26.
–
70
=
635
27.
–
50
=
423
28.
–
20
=
680
29.
–
20
=
450
30.
–
90
=
730
31.
–
30
=
871
32.
–
50
=
171
33.
–
10
=
583
34.
–
30
=
755
35.
–
80
=
877
36.
–
100
=
417