– Is it more advantageous to first convert a positive number to a negative number or the other way around?
1)
7+(−3)
−4 + 9 + 2
Or
− 3 + 7
2 + 9 − 4
(1 votes)
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7+(-3)=7-3 ist einfacher als -3+7.
2+9-4 ist einfacher als -4+9+2.
Das ist aber nur meine persönliche Meinung.
I would, quite subjectively, choose the variant that reminds of "normal" subtraction
7 – 3
.
In the second case, I would first destroy the minus, regardless of whether I
-4 + 9
or
-4 + 2
first calculate
.
PS: I hope you don't really believe that there is the ONE TRUE answer
Die Reihenfolge spielt keine Rolle, denn egal, in welcher Reihenfolge man die Zahlen rechnet, es kommt immer das gleiche Ergebnis.
7+(−3) = 4
(–3)+7 = 4
−4 + 9 = 5 | 5 + 2 = 7
2 + 9 = 11 | 11 – 4 = 7