Platzhalteraufgaben [1]
Minusrechnen
1.
–
49
=
18
2.
–
15
=
72
3.
–
12
=
73
4.
–
73
=
1
5.
–
19
=
14
6.
–
18
=
9
7.
–
3
=
94
8.
–
38
=
33
9.
–
26
=
24
10.
–
7
=
5
11.
–
4
=
3
12.
–
6
=
19
13.
–
30
=
64
14.
–
31
=
0
15.
–
70
=
4
16.
–
4
=
1
17.
–
80
=
7
18.
–
1
=
1
19.
–
13
=
25
20.
–
20
=
34
21.
–
94
=
1
22.
–
7
=
3
23.
–
21
=
53
24.
–
1
=
12
25.
–
6
=
8
26.
–
2
=
3
27.
–
13
=
47
28.
–
11
=
30
29.
–
5
=
49
30.
–
40
=
5
31.
–
37
=
41
32.
–
0
=
36
33.
–
52
=
1
34.
–
14
=
42
35.
–
23
=
29
36.
–
69
=
18
Platzhalteraufgaben [1]
| ANTWORTEN
Minusrechnen
1.
67
–
49
=
18
2.
87
–
15
=
72
3.
85
–
12
=
73
4.
74
–
73
=
1
5.
33
–
19
=
14
6.
27
–
18
=
9
7.
97
–
3
=
94
8.
71
–
38
=
33
9.
50
–
26
=
24
10.
12
–
7
=
5
11.
7
–
4
=
3
12.
25
–
6
=
19
13.
94
–
30
=
64
14.
31
–
31
=
0
15.
74
–
70
=
4
16.
5
–
4
=
1
17.
87
–
80
=
7
18.
2
–
1
=
1
19.
38
–
13
=
25
20.
54
–
20
=
34
21.
95
–
94
=
1
22.
10
–
7
=
3
23.
74
–
21
=
53
24.
13
–
1
=
12
25.
14
–
6
=
8
26.
5
–
2
=
3
27.
60
–
13
=
47
28.
41
–
11
=
30
29.
54
–
5
=
49
30.
45
–
40
=
5
31.
78
–
37
=
41
32.
36
–
0
=
36
33.
53
–
52
=
1
34.
56
–
14
=
42
35.
52
–
23
=
29
36.
87
–
69
=
18