Platzhalteraufgaben [2]
Minusrechnen
1.
–
50
=
631
2.
–
20
=
563
3.
–
20
=
837
4.
–
100
=
235
5.
–
80
=
792
6.
–
30
=
381
7.
–
30
=
225
8.
–
100
=
117
9.
–
50
=
671
10.
–
40
=
130
11.
–
30
=
240
12.
–
50
=
381
13.
–
50
=
671
14.
–
50
=
448
15.
–
60
=
319
16.
–
60
=
731
17.
–
20
=
452
18.
–
100
=
879
19.
–
20
=
744
20.
–
20
=
92
21.
–
30
=
113
22.
–
10
=
290
23.
–
50
=
211
24.
–
100
=
727
25.
–
20
=
169
26.
–
50
=
426
27.
–
10
=
855
28.
–
10
=
725
29.
–
50
=
690
30.
–
10
=
524
31.
–
60
=
455
32.
–
10
=
360
33.
–
90
=
259
34.
–
60
=
936
35.
–
80
=
912
36.
–
70
=
402