Platzhalteraufgaben [1]
Minusrechnen
1.
–
7
=
2
2.
–
16
=
6
3.
–
25
=
18
4.
–
9
=
1
5.
–
7
=
38
6.
–
21
=
3
7.
–
17
=
5
8.
–
31
=
6
9.
–
14
=
14
10.
–
28
=
12
11.
–
29
=
8
12.
–
31
=
13
13.
–
2
=
40
14.
–
2
=
2
15.
–
3
=
42
16.
–
6
=
23
17.
–
1
=
3
18.
–
27
=
13
19.
–
1
=
17
20.
–
17
=
20
21.
–
3
=
1
22.
–
34
=
2
23.
–
3
=
14
24.
–
13
=
21
25.
–
43
=
1
26.
–
8
=
15
27.
–
8
=
20
28.
–
21
=
16
29.
–
9
=
12
30.
–
0
=
3
31.
–
22
=
12
32.
–
15
=
2
33.
–
31
=
5
34.
–
20
=
30
35.
–
1
=
26
36.
–
7
=
34