Question 1

15 + (- 8) =

Accepted Answer

15 - 8

Answer

8 - 15

Answer

15 + 8

Question 2

30 - (-15) =

Accepted Answer

45

Answer

35

Answer

5

Answer

15

Question 3

? + (-33) = 33

Accepted Answer

?  =  66

Answer

?  = -33

Answer

?  = 33

Answer

?  = -66

Question 4

5 - ?  = 20

Accepted Answer

?  =  -15

Answer

?  =  -25

Answer

?  =  25

Answer

?  =  15

Question 5

60 + ?  = 49

Accepted Answer

? =  -11

Answer

?  = 11

Answer

?  = -21

Answer

? = 21

Question 6

Addiere die Beträge von 15 und ihrer Gegenzahl. Das Ergebnis ist...

Accepted Answer

30

Answer

-15

Answer

0

Question 7

Welche Rechnung passt zu dieser Aufgabe: Subtrahiere 15 von 13.

Accepted Answer

13 - 15

Answer

15 : 13

Answer

15 - 13

Answer

13 + 15

Question 8

Welche Rechnung passt zu dieser Aufgabe: Addiere den Betrag von -10 zu 20.

Accepted Answer

20 + 10

Answer

10 - 20

Answer

20 + (-10)

Answer

20 - 10

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