Platzhalteraufgaben [1]
Minusrechnen
1.
–
50
=
507
2.
–
70
=
579
3.
–
70
=
312
4.
–
100
=
403
5.
–
50
=
741
6.
–
20
=
827
7.
–
60
=
625
8.
–
10
=
937
9.
–
60
=
540
10.
–
20
=
551
11.
–
40
=
913
12.
–
60
=
624
13.
–
40
=
245
14.
–
80
=
384
15.
–
90
=
597
16.
–
60
=
620
17.
–
80
=
378
18.
–
70
=
584
19.
–
100
=
469
20.
–
80
=
529
21.
–
70
=
919
22.
–
40
=
677
23.
–
30
=
499
24.
–
30
=
591
25.
–
10
=
129
26.
–
10
=
572
27.
–
90
=
298
28.
–
100
=
158
29.
–
90
=
269
30.
–
50
=
358
31.
–
20
=
206
32.
–
70
=
923
33.
–
10
=
402
34.
–
30
=
772
35.
–
50
=
579
36.
–
90
=
426