
Sumy algebraiczne
Presentation
•
Mathematics
•
7th Grade
•
Medium
Agnieszka Ziegert
Used 26+ times
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6 Slides • 4 Questions
1
Sumy algebraiczne
z kluczem
2
Mamy wyrażenie algebraiczne
2x+4y−5+z−x+xy
Mogę je zapisać
2x+4y+(−5)+z+(−x)+xy
zatem widać, ze jest to suma, stąd nazwa
SUMA ALGEBRAICZNA
3
Wypiszmy wyrazy sumy algebraicznej 2x+4y+(−5)+z+(−x)+xy
2x
4y
−5
z
−x
xy
4
Open Ended
Wypisz wyrazy sumy algebraicznej:
x−4+xy−3y+z−2x
5
6
Open Ended
Wypisz wyrazy sumy algebraicznej:
−5x−4z+xz−3y+3+2z
7
2x+15+6x−7y−5
WYRAZY PODOBNE
2x i 6x oraz 15 i −5
wyrazy podobne mogę dodać
2x+6x=8x
15−5=10
wobec tego naszą sumę mogę uprościć
2x+15+6x−7y−5=8x+10−7y
8
Upraszczanie sum algebraicznych nazywamy
REDUKCJA WYRAZÓW PODOBNYCH
9
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Sumy algebraiczne
z kluczem
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