Platzhalteraufgaben [1]
Minusrechnen
1.
–
50
=
795
2.
–
20
=
110
3.
–
50
=
913
4.
–
90
=
877
5.
–
100
=
422
6.
–
100
=
606
7.
–
10
=
981
8.
–
50
=
331
9.
–
40
=
211
10.
–
60
=
307
11.
–
80
=
865
12.
–
40
=
414
13.
–
40
=
873
14.
–
80
=
872
15.
–
50
=
838
16.
–
60
=
752
17.
–
20
=
502
18.
–
100
=
244
19.
–
50
=
806
20.
–
40
=
830
21.
–
90
=
199
22.
–
50
=
698
23.
–
90
=
436
24.
–
40
=
582
25.
–
10
=
261
26.
–
10
=
109
27.
–
60
=
59
28.
–
60
=
337
29.
–
60
=
699
30.
–
20
=
927
31.
–
20
=
418
32.
–
10
=
205
33.
–
80
=
691
34.
–
10
=
878
35.
–
100
=
843
36.
–
60
=
417