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Übungen
fürs Kopfrechnen
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+
24 |
-19 |
.
2 |
:
7 |
+
38 |
-
34 |
.
5 |
:
8 |
+
50 |
-
22 |
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57 |
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68 |
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R |
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82 |
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F |
|
73 |
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P |
|
49 |
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+
40 |
-23 |
.
3 |
:
9 |
+
28 |
-
15 |
.
6 |
:
2 |
+
33 |
-
32 |
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43 |
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54 |
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R |
|
71 |
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F |
|
80 |
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P |
|
92 |
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+
60 |
-
30 |
.
8 |
:
3 |
+
16 |
-
19 |
.
4 |
:
5 |
+
75 |
-
63 |
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|
81 |
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|
93 |
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R |
|
115 |
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F |
|
70 |
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P |
|
127 |
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+
26 |
-25 |
.
7 |
:
4 |
+
37 |
-
36 |
.
4 |
:
2 |
+
45 |
-
48 |
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|
75 |
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|
86 |
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R |
|
57 |
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F |
|
69 |
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P |
|
92 |
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+
21 |
-13 |
.
7 |
:
5 |
+
38 |
-
62 |
.
3 |
:
2 |
+
43 |
-
57 |
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|
74 |
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|
66 |
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R |
|
87 |
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F |
|
109 |
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P |
|
92 |
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