Platzhalteraufgaben [2]
Minusrechnen
1.
–
80
=
157
2.
–
80
=
471
3.
–
60
=
367
4.
–
80
=
821
5.
–
100
=
873
6.
–
10
=
406
7.
–
80
=
625
8.
–
100
=
529
9.
–
40
=
271
10.
–
80
=
161
11.
–
40
=
932
12.
–
100
=
94
13.
–
60
=
690
14.
–
20
=
581
15.
–
70
=
144
16.
–
40
=
513
17.
–
50
=
917
18.
–
50
=
757
19.
–
60
=
768
20.
–
100
=
547
21.
–
90
=
204
22.
–
60
=
91
23.
–
80
=
441
24.
–
90
=
823
25.
–
60
=
370
26.
–
70
=
375
27.
–
90
=
443
28.
–
90
=
330
29.
–
100
=
410
30.
–
30
=
863
31.
–
10
=
858
32.
–
30
=
727
33.
–
80
=
595
34.
–
70
=
774
35.
–
80
=
314
36.
–
90
=
344