Platzhalteraufgaben [1]
Minusrechnen
1.
–
1
=
8
2.
–
28
=
33
3.
–
21
=
2
4.
–
23
=
21
5.
–
7
=
36
6.
–
14
=
11
7.
–
7
=
1
8.
–
10
=
12
9.
–
36
=
13
10.
–
59
=
39
11.
–
38
=
2
12.
–
38
=
38
13.
–
3
=
38
14.
–
51
=
37
15.
–
23
=
5
16.
–
0
=
3
17.
–
24
=
14
18.
–
6
=
67
19.
–
4
=
73
20.
–
45
=
42
21.
–
39
=
19
22.
–
34
=
11
23.
–
49
=
12
24.
–
15
=
15
25.
–
11
=
78
26.
–
5
=
13
27.
–
72
=
10
28.
–
20
=
8
29.
–
31
=
35
30.
–
20
=
38
31.
–
31
=
1
32.
–
22
=
43
33.
–
3
=
3
34.
–
17
=
60
35.
–
7
=
1
36.
–
22
=
59
Platzhalteraufgaben [1]
| ANTWORTEN
Minusrechnen
1.
9
–
1
=
8
2.
61
–
28
=
33
3.
23
–
21
=
2
4.
44
–
23
=
21
5.
43
–
7
=
36
6.
25
–
14
=
11
7.
8
–
7
=
1
8.
22
–
10
=
12
9.
49
–
36
=
13
10.
98
–
59
=
39
11.
40
–
38
=
2
12.
76
–
38
=
38
13.
41
–
3
=
38
14.
88
–
51
=
37
15.
28
–
23
=
5
16.
3
–
0
=
3
17.
38
–
24
=
14
18.
73
–
6
=
67
19.
77
–
4
=
73
20.
87
–
45
=
42
21.
58
–
39
=
19
22.
45
–
34
=
11
23.
61
–
49
=
12
24.
30
–
15
=
15
25.
89
–
11
=
78
26.
18
–
5
=
13
27.
82
–
72
=
10
28.
28
–
20
=
8
29.
66
–
31
=
35
30.
58
–
20
=
38
31.
32
–
31
=
1
32.
65
–
22
=
43
33.
6
–
3
=
3
34.
77
–
17
=
60
35.
8
–
7
=
1
36.
81
–
22
=
59