Platzhalteraufgaben [1]
Minusrechnen
1.
–
60
=
167
2.
–
100
=
793
3.
–
60
=
763
4.
–
10
=
281
5.
–
20
=
406
6.
–
30
=
746
7.
–
90
=
558
8.
–
50
=
419
9.
–
100
=
432
10.
–
40
=
548
11.
–
80
=
245
12.
–
20
=
340
13.
–
90
=
534
14.
–
70
=
205
15.
–
50
=
514
16.
–
60
=
544
17.
–
30
=
666
18.
–
50
=
899
19.
–
20
=
605
20.
–
30
=
382
21.
–
20
=
646
22.
–
10
=
773
23.
–
80
=
478
24.
–
50
=
208
25.
–
30
=
689
26.
–
30
=
739
27.
–
10
=
93
28.
–
30
=
327
29.
–
50
=
785
30.
–
40
=
826
31.
–
60
=
138
32.
–
80
=
239
33.
–
40
=
244
34.
–
10
=
808
35.
–
20
=
411
36.
–
70
=
901