Platzhalteraufgaben [2]
Minusrechnen
1.
–
100
=
106
2.
–
50
=
393
3.
–
40
=
762
4.
–
90
=
341
5.
–
90
=
92
6.
–
80
=
73
7.
–
90
=
668
8.
–
60
=
625
9.
–
90
=
828
10.
–
10
=
680
11.
–
20
=
107
12.
–
50
=
644
13.
–
50
=
191
14.
–
40
=
599
15.
–
30
=
868
16.
–
30
=
651
17.
–
30
=
333
18.
–
70
=
838
19.
–
90
=
230
20.
–
90
=
902
21.
–
30
=
213
22.
–
100
=
817
23.
–
100
=
357
24.
–
100
=
164
25.
–
20
=
881
26.
–
90
=
559
27.
–
90
=
512
28.
–
40
=
563
29.
–
40
=
567
30.
–
20
=
498
31.
–
70
=
490
32.
–
80
=
299
33.
–
80
=
548
34.
–
90
=
714
35.
–
90
=
816
36.
–
10
=
669