Platzhalteraufgaben [2]
Minusrechnen
1.
–
50
=
749
2.
–
50
=
177
3.
–
20
=
649
4.
–
20
=
113
5.
–
100
=
624
6.
–
10
=
674
7.
–
80
=
572
8.
–
80
=
399
9.
–
50
=
67
10.
–
30
=
269
11.
–
30
=
214
12.
–
70
=
498
13.
–
100
=
386
14.
–
50
=
489
15.
–
80
=
395
16.
–
90
=
196
17.
–
40
=
530
18.
–
20
=
411
19.
–
60
=
285
20.
–
70
=
405
21.
–
80
=
337
22.
–
70
=
160
23.
–
40
=
820
24.
–
60
=
439
25.
–
20
=
114
26.
–
100
=
786
27.
–
80
=
271
28.
–
100
=
411
29.
–
90
=
859
30.
–
40
=
166
31.
–
50
=
182
32.
–
50
=
725
33.
–
40
=
596
34.
–
30
=
191
35.
–
10
=
868
36.
–
50
=
190