Platzhalteraufgaben [1]
Minusrechnen
1.
–
90
=
584
2.
–
100
=
704
3.
–
60
=
380
4.
–
30
=
398
5.
–
90
=
334
6.
–
30
=
572
7.
–
40
=
923
8.
–
10
=
364
9.
–
20
=
787
10.
–
100
=
46
11.
–
10
=
192
12.
–
10
=
665
13.
–
70
=
395
14.
–
60
=
926
15.
–
50
=
783
16.
–
40
=
957
17.
–
10
=
267
18.
–
90
=
606
19.
–
20
=
401
20.
–
20
=
142
21.
–
10
=
185
22.
–
70
=
89
23.
–
70
=
235
24.
–
80
=
194
25.
–
50
=
461
26.
–
60
=
257
27.
–
10
=
314
28.
–
80
=
453
29.
–
20
=
647
30.
–
40
=
903
31.
–
50
=
484
32.
–
70
=
709
33.
–
80
=
398
34.
–
70
=
354
35.
–
100
=
28
36.
–
20
=
311