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