Platzhalteraufgaben [2]
Minusrechnen
1.
–
20
=
277
2.
–
40
=
322
3.
–
90
=
229
4.
–
60
=
920
5.
–
30
=
694
6.
–
70
=
720
7.
–
40
=
805
8.
–
70
=
257
9.
–
50
=
220
10.
–
70
=
149
11.
–
90
=
462
12.
–
40
=
420
13.
–
70
=
585
14.
–
50
=
460
15.
–
100
=
582
16.
–
80
=
908
17.
–
80
=
423
18.
–
70
=
435
19.
–
60
=
781
20.
–
100
=
797
21.
–
10
=
385
22.
–
60
=
387
23.
–
30
=
209
24.
–
90
=
520
25.
–
100
=
124
26.
–
100
=
823
27.
–
50
=
64
28.
–
20
=
941
29.
–
70
=
929
30.
–
80
=
346
31.
–
50
=
178
32.
–
80
=
26
33.
–
90
=
138
34.
–
10
=
95
35.
–
90
=
209
36.
–
70
=
407