Platzhalteraufgaben [2]
Minusrechnen
1.
–
50
=
69
2.
–
70
=
646
3.
–
30
=
346
4.
–
20
=
160
5.
–
10
=
493
6.
–
100
=
67
7.
–
50
=
834
8.
–
90
=
469
9.
–
80
=
505
10.
–
80
=
266
11.
–
60
=
184
12.
–
60
=
251
13.
–
10
=
282
14.
–
70
=
496
15.
–
20
=
661
16.
–
60
=
817
17.
–
100
=
41
18.
–
60
=
131
19.
–
90
=
772
20.
–
60
=
570
21.
–
10
=
785
22.
–
40
=
358
23.
–
40
=
357
24.
–
50
=
874
25.
–
20
=
571
26.
–
50
=
486
27.
–
80
=
227
28.
–
70
=
152
29.
–
30
=
716
30.
–
40
=
829
31.
–
90
=
609
32.
–
100
=
168
33.
–
60
=
86
34.
–
20
=
797
35.
–
100
=
13
36.
–
20
=
168