Platzhalteraufgaben [1]
Minusrechnen
1.
–
30
=
427
2.
–
40
=
365
3.
–
20
=
84
4.
–
90
=
44
5.
–
100
=
759
6.
–
10
=
915
7.
–
70
=
224
8.
–
20
=
899
9.
–
20
=
490
10.
–
100
=
182
11.
–
60
=
200
12.
–
10
=
423
13.
–
40
=
680
14.
–
50
=
568
15.
–
60
=
593
16.
–
70
=
145
17.
–
40
=
123
18.
–
90
=
482
19.
–
20
=
363
20.
–
20
=
807
21.
–
90
=
636
22.
–
90
=
261
23.
–
90
=
770
24.
–
60
=
505
25.
–
50
=
690
26.
–
80
=
355
27.
–
10
=
201
28.
–
80
=
439
29.
–
80
=
893
30.
–
60
=
240
31.
–
80
=
207
32.
–
100
=
288
33.
–
30
=
428
34.
–
30
=
729
35.
–
30
=
750
36.
–
70
=
706