Platzhalteraufgaben [1]
Minusrechnen
1.
–
100
=
166
2.
–
100
=
169
3.
–
80
=
244
4.
–
70
=
755
5.
–
100
=
668
6.
–
30
=
474
7.
–
70
=
410
8.
–
10
=
666
9.
–
90
=
113
10.
–
50
=
307
11.
–
80
=
425
12.
–
30
=
469
13.
–
30
=
427
14.
–
80
=
705
15.
–
70
=
299
16.
–
30
=
873
17.
–
40
=
879
18.
–
90
=
412
19.
–
40
=
735
20.
–
60
=
645
21.
–
10
=
112
22.
–
100
=
235
23.
–
30
=
598
24.
–
40
=
694
25.
–
50
=
367
26.
–
70
=
104
27.
–
70
=
407
28.
–
40
=
781
29.
–
100
=
16
30.
–
30
=
885
31.
–
70
=
196
32.
–
10
=
985
33.
–
50
=
148
34.
–
90
=
764
35.
–
80
=
843
36.
–
100
=
76