Platzhalteraufgaben [2]
Minusrechnen
1.
–
80
=
452
2.
–
50
=
303
3.
–
90
=
679
4.
–
20
=
137
5.
–
80
=
406
6.
–
80
=
375
7.
–
50
=
774
8.
–
10
=
821
9.
–
10
=
245
10.
–
30
=
605
11.
–
60
=
176
12.
–
90
=
531
13.
–
10
=
956
14.
–
60
=
165
15.
–
60
=
264
16.
–
50
=
745
17.
–
40
=
244
18.
–
10
=
507
19.
–
70
=
760
20.
–
100
=
406
21.
–
10
=
255
22.
–
40
=
877
23.
–
10
=
264
24.
–
10
=
300
25.
–
50
=
71
26.
–
40
=
349
27.
–
30
=
479
28.
–
40
=
934
29.
–
30
=
852
30.
–
20
=
759
31.
–
70
=
666
32.
–
90
=
876
33.
–
80
=
538
34.
–
100
=
418
35.
–
70
=
133
36.
–
20
=
204