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Zusammenfassung Subtraktion, Multiplikation & Division von Zahlen & Variablen $8.42
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Zusammenfassung Subtraktion, Multiplikation & Division von Zahlen & Variablen

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Auf diesem Lernblatt sind die Basics für das rechnen mit Variablen. Es ist kurz und leicht verständlich Zusammengefasst.

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  • October 4, 2024
  • 1
  • 2024/2025
  • Summary
  • Secondary school
  • Fachoberschule
  • 1
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VO 2 (

Multiplizierst oder dividierst du


gleiche Vorzeichen ist das Ergebnis
!
positiv
Sind die Vorzeichen unterschiedlich

ist das
Ergebnis negativ !

-CAO D VIS O

verkürzte Schreibweise der Addition in
Mengen gleich große Teile aufgeteilt
·
·




8
BSp .
5+ 5 + 5 + 5 + 5 +5 =
30 BSp .: 8 : 2 =

2
= 4

.5
6 = 30

falls es keine ganze Zahl ergibt
·




gleiche Variable als Potenz zum
gefasst ↳
vollständig gekürzter Bruch
·




3022bx BSp 24 10
2=
3a .:
Bsp 2a : =
.: 56 x =
.
. .




Beim Dividieren gleicher Variablen
Beim Multiplizieren gleicher Variablen
·
·




werden Potenzen addiert werden Potenzen subtrahiert

BSp .: x5 x2 x5 2
x3
-




7 x4 2x 3
: = =

BSp .:
.
= 14x4 + 3 = 14x7




SUSEAT 0 ,
20 < AO &

(S010 A & 1313


SUBIEAK O A3) 0


25 (3
+
6 =

59
+
5
200
-
=


S

Minnend Summand 1 Summe
Differenz
Summand 2

Subtrahend

·



Variablen = Platzhalter
(a , b , c, X
, y)
·



Variablen = Platzhalter
(a , b , c, X y)
Variablen
,

gleichartige zum fassen
·




gleichartige Variablen fassen ungleichartige Variablen nicht zsm fassen
·




zum
·




Bsp 7a 4b 3a 10a + 4b
ungleichartige
+
Variablen nicht + =
fassen
.:
zsm
·




Bsp .: 7a -
4b -
3a =
4a -

4b




KAMME
·


Minus vor der Klammer

dreht Vorzeichen um
Terme in Klammer
Bsp .: (7a + 4b + 2a) + (2c -

3a) -
(4a -
2b) zsm fassen
= (a + 4b) + (2c -

3a) -


(4a -

2b) klammer entfernen

=
ga + 4b + 2c -

3a -
4a + 2b Terme zsm fassen

= 2a + 6b + 2c

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