Platzhalteraufgaben [2]
Minusrechnen
1.
–
90
=
252
2.
–
40
=
237
3.
–
60
=
299
4.
–
100
=
365
5.
–
20
=
303
6.
–
100
=
549
7.
–
50
=
300
8.
–
70
=
151
9.
–
30
=
344
10.
–
100
=
455
11.
–
60
=
376
12.
–
40
=
873
13.
–
40
=
649
14.
–
80
=
380
15.
–
50
=
506
16.
–
60
=
173
17.
–
100
=
120
18.
–
10
=
111
19.
–
70
=
193
20.
–
20
=
330
21.
–
60
=
901
22.
–
90
=
546
23.
–
80
=
871
24.
–
10
=
378
25.
–
60
=
284
26.
–
40
=
358
27.
–
70
=
760
28.
–
60
=
937
29.
–
50
=
172
30.
–
10
=
642
31.
–
40
=
536
32.
–
20
=
772
33.
–
30
=
178
34.
–
10
=
237
35.
–
40
=
392
36.
–
100
=
223