Platzhalteraufgaben [1]
Minusrechnen
1.
–
65
=
27
2.
–
49
=
36
3.
–
38
=
10
4.
–
9
=
52
5.
–
3
=
42
6.
–
8
=
21
7.
–
21
=
17
8.
–
34
=
21
9.
–
13
=
29
10.
–
23
=
51
11.
–
34
=
47
12.
–
7
=
36
13.
–
5
=
11
14.
–
10
=
49
15.
–
62
=
32
16.
–
6
=
10
17.
–
60
=
13
18.
–
49
=
22
19.
–
78
=
2
20.
–
34
=
13
21.
–
26
=
63
22.
–
1
=
61
23.
–
6
=
2
24.
–
37
=
9
25.
–
15
=
62
26.
–
4
=
39
27.
–
22
=
22
28.
–
12
=
22
29.
–
9
=
0
30.
–
82
=
14
31.
–
2
=
41
32.
–
18
=
20
33.
–
54
=
40
34.
–
40
=
31
35.
–
3
=
43
36.
–
60
=
3
Platzhalteraufgaben [1]
| ANTWORTEN
Minusrechnen
1.
92
–
65
=
27
2.
85
–
49
=
36
3.
48
–
38
=
10
4.
61
–
9
=
52
5.
45
–
3
=
42
6.
29
–
8
=
21
7.
38
–
21
=
17
8.
55
–
34
=
21
9.
42
–
13
=
29
10.
74
–
23
=
51
11.
81
–
34
=
47
12.
43
–
7
=
36
13.
16
–
5
=
11
14.
59
–
10
=
49
15.
94
–
62
=
32
16.
16
–
6
=
10
17.
73
–
60
=
13
18.
71
–
49
=
22
19.
80
–
78
=
2
20.
47
–
34
=
13
21.
89
–
26
=
63
22.
62
–
1
=
61
23.
8
–
6
=
2
24.
46
–
37
=
9
25.
77
–
15
=
62
26.
43
–
4
=
39
27.
44
–
22
=
22
28.
34
–
12
=
22
29.
9
–
9
=
0
30.
96
–
82
=
14
31.
43
–
2
=
41
32.
38
–
18
=
20
33.
94
–
54
=
40
34.
71
–
40
=
31
35.
46
–
3
=
43
36.
63
–
60
=
3