Platzhalteraufgaben [1]
Minusrechnen
1.
–
1
=
7
2.
–
23
=
9
3.
–
23
=
29
4.
–
20
=
15
5.
–
19
=
38
6.
–
33
=
11
7.
–
67
=
32
8.
–
47
=
49
9.
–
43
=
53
10.
–
18
=
17
11.
–
0
=
51
12.
–
59
=
5
13.
–
8
=
39
14.
–
13
=
2
15.
–
37
=
36
16.
–
22
=
63
17.
–
47
=
46
18.
–
36
=
15
19.
–
2
=
21
20.
–
23
=
17
21.
–
16
=
16
22.
–
33
=
1
23.
–
66
=
22
24.
–
11
=
9
25.
–
27
=
65
26.
–
13
=
9
27.
–
18
=
23
28.
–
6
=
15
29.
–
5
=
12
30.
–
10
=
17
31.
–
28
=
15
32.
–
21
=
33
33.
–
12
=
74
34.
–
43
=
28
35.
–
12
=
2
36.
–
1
=
15