Platzhalteraufgaben [2]
Minusrechnen
1.
–
80
=
910
2.
–
80
=
499
3.
–
40
=
118
4.
–
20
=
230
5.
–
10
=
935
6.
–
70
=
811
7.
–
10
=
731
8.
–
90
=
678
9.
–
90
=
794
10.
–
100
=
410
11.
–
70
=
224
12.
–
60
=
541
13.
–
40
=
864
14.
–
40
=
117
15.
–
60
=
167
16.
–
40
=
422
17.
–
100
=
368
18.
–
100
=
77
19.
–
30
=
831
20.
–
30
=
560
21.
–
90
=
279
22.
–
10
=
515
23.
–
30
=
329
24.
–
80
=
632
25.
–
70
=
299
26.
–
70
=
810
27.
–
40
=
97
28.
–
60
=
383
29.
–
40
=
918
30.
–
20
=
258
31.
–
40
=
84
32.
–
70
=
54
33.
–
90
=
365
34.
–
80
=
859
35.
–
30
=
426
36.
–
60
=
639