Platzhalteraufgaben [1]
Minusrechnen
1.
–
21
=
43
2.
–
32
=
46
3.
–
0
=
3
4.
–
43
=
45
5.
–
42
=
17
6.
–
9
=
28
7.
–
13
=
5
8.
–
25
=
27
9.
–
36
=
27
10.
–
60
=
5
11.
–
14
=
10
12.
–
67
=
1
13.
–
6
=
26
14.
–
3
=
3
15.
–
7
=
23
16.
–
97
=
1
17.
–
12
=
48
18.
–
18
=
64
19.
–
70
=
16
20.
–
62
=
32
21.
–
52
=
13
22.
–
3
=
28
23.
–
17
=
83
24.
–
12
=
6
25.
–
29
=
70
26.
–
34
=
4
27.
–
3
=
7
28.
–
20
=
68
29.
–
17
=
54
30.
–
91
=
4
31.
–
13
=
30
32.
–
0
=
19
33.
–
86
=
7
34.
–
18
=
8
35.
–
59
=
8
36.
–
5
=
2