Platzhalteraufgaben [1]
Minusrechnen
1.
–
39
=
2
2.
–
39
=
54
3.
–
16
=
43
4.
–
3
=
30
5.
–
2
=
4
6.
–
4
=
19
7.
–
22
=
1
8.
–
45
=
17
9.
–
3
=
0
10.
–
27
=
9
11.
–
14
=
75
12.
–
12
=
36
13.
–
54
=
37
14.
–
36
=
40
15.
–
16
=
1
16.
–
28
=
11
17.
–
36
=
31
18.
–
23
=
9
19.
–
8
=
19
20.
–
49
=
0
21.
–
11
=
47
22.
–
3
=
40
23.
–
49
=
15
24.
–
18
=
5
25.
–
41
=
40
26.
–
1
=
40
27.
–
1
=
19
28.
–
36
=
40
29.
–
39
=
19
30.
–
13
=
14
31.
–
36
=
41
32.
–
21
=
4
33.
–
34
=
39
34.
–
17
=
67
35.
–
2
=
41
36.
–
12
=
80
Platzhalteraufgaben [1]
| ANTWORTEN
Minusrechnen
1.
41
–
39
=
2
2.
93
–
39
=
54
3.
59
–
16
=
43
4.
33
–
3
=
30
5.
6
–
2
=
4
6.
23
–
4
=
19
7.
23
–
22
=
1
8.
62
–
45
=
17
9.
3
–
3
=
0
10.
36
–
27
=
9
11.
89
–
14
=
75
12.
48
–
12
=
36
13.
91
–
54
=
37
14.
76
–
36
=
40
15.
17
–
16
=
1
16.
39
–
28
=
11
17.
67
–
36
=
31
18.
32
–
23
=
9
19.
27
–
8
=
19
20.
49
–
49
=
0
21.
58
–
11
=
47
22.
43
–
3
=
40
23.
64
–
49
=
15
24.
23
–
18
=
5
25.
81
–
41
=
40
26.
41
–
1
=
40
27.
20
–
1
=
19
28.
76
–
36
=
40
29.
58
–
39
=
19
30.
27
–
13
=
14
31.
77
–
36
=
41
32.
25
–
21
=
4
33.
73
–
34
=
39
34.
84
–
17
=
67
35.
43
–
2
=
41
36.
92
–
12
=
80