Platzhalteraufgaben [1]
Minusrechnen
1.
–
70
=
286
2.
–
90
=
445
3.
–
90
=
124
4.
–
20
=
315
5.
–
70
=
775
6.
–
70
=
718
7.
–
70
=
190
8.
–
20
=
125
9.
–
90
=
500
10.
–
90
=
758
11.
–
20
=
289
12.
–
30
=
644
13.
–
20
=
540
14.
–
60
=
270
15.
–
100
=
821
16.
–
60
=
138
17.
–
40
=
635
18.
–
20
=
398
19.
–
60
=
937
20.
–
30
=
204
21.
–
80
=
842
22.
–
10
=
230
23.
–
10
=
455
24.
–
80
=
413
25.
–
10
=
119
26.
–
60
=
384
27.
–
10
=
790
28.
–
100
=
779
29.
–
50
=
499
30.
–
50
=
65
31.
–
70
=
310
32.
–
100
=
898
33.
–
40
=
897
34.
–
10
=
719
35.
–
90
=
655
36.
–
40
=
780