Platzhalteraufgaben [1]
Minusrechnen
1.
–
30
=
758
2.
–
90
=
850
3.
–
90
=
764
4.
–
50
=
793
5.
–
10
=
376
6.
–
60
=
453
7.
–
40
=
84
8.
–
10
=
699
9.
–
40
=
877
10.
–
60
=
810
11.
–
80
=
271
12.
–
60
=
198
13.
–
90
=
490
14.
–
80
=
161
15.
–
100
=
884
16.
–
10
=
328
17.
–
100
=
91
18.
–
90
=
585
19.
–
60
=
566
20.
–
20
=
487
21.
–
20
=
959
22.
–
60
=
835
23.
–
90
=
823
24.
–
60
=
420
25.
–
70
=
761
26.
–
80
=
546
27.
–
60
=
120
28.
–
60
=
756
29.
–
30
=
650
30.
–
20
=
975
31.
–
20
=
457
32.
–
10
=
674
33.
–
40
=
742
34.
–
40
=
705
35.
–
70
=
42
36.
–
50
=
213