Platzhalteraufgaben [1]
Minusrechnen
1.
–
30
=
140
2.
–
70
=
902
3.
–
90
=
868
4.
–
60
=
499
5.
–
60
=
233
6.
–
100
=
877
7.
–
70
=
372
8.
–
40
=
925
9.
–
60
=
345
10.
–
90
=
830
11.
–
30
=
174
12.
–
50
=
490
13.
–
90
=
619
14.
–
90
=
670
15.
–
10
=
747
16.
–
100
=
863
17.
–
60
=
606
18.
–
40
=
360
19.
–
50
=
780
20.
–
80
=
31
21.
–
70
=
452
22.
–
10
=
535
23.
–
50
=
743
24.
–
40
=
442
25.
–
10
=
596
26.
–
10
=
118
27.
–
60
=
360
28.
–
10
=
728
29.
–
70
=
861
30.
–
70
=
298
31.
–
50
=
685
32.
–
20
=
607
33.
–
10
=
413
34.
–
50
=
62
35.
–
100
=
327
36.
–
40
=
121