Platzhalteraufgaben [1]
Minusrechnen
1.
–
30
=
8
2.
–
13
=
15
3.
–
80
=
12
4.
–
41
=
35
5.
–
19
=
2
6.
–
31
=
9
7.
–
4
=
9
8.
–
2
=
7
9.
–
11
=
32
10.
–
45
=
39
11.
–
23
=
16
12.
–
1
=
0
13.
–
9
=
2
14.
–
19
=
13
15.
–
6
=
3
16.
–
12
=
0
17.
–
14
=
0
18.
–
18
=
4
19.
–
0
=
16
20.
–
12
=
87
21.
–
27
=
46
22.
–
2
=
58
23.
–
1
=
54
24.
–
17
=
37
25.
–
57
=
11
26.
–
85
=
14
27.
–
6
=
76
28.
–
38
=
16
29.
–
56
=
38
30.
–
12
=
30
31.
–
42
=
26
32.
–
23
=
3
33.
–
36
=
5
34.
–
2
=
26
35.
–
78
=
5
36.
–
4
=
59