Sumy algebraiczne Lesson

6 Slides • 4 Questions

1

Sumy algebraiczne

z kluczem

2

Mamy wyrażenie algebraiczne

2x+4y-5+z-x+xy

Mogę je zapisać
$2x+4y+\left(-5\right)+z+\left(-x\right)+xy$
zatem widać, ze jest to suma, stąd nazwa

SUMA ALGEBRAICZNA

3

Wypiszmy wyrazy sumy algebraicznej $2x+4y+\left(-5\right)+z+\left(-x\right)+xy$

$2x$
$4y$
$-5$
$z$
$-x$
$xy$

4

Open Ended

Wypisz wyrazy sumy algebraicznej:

$x-4+xy-3y+z-2x$

Type response here

5

6

Open Ended

Wypisz wyrazy sumy algebraicznej:

$-5x-4z+xz-3y+3+2z$

Type response here

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

Fill in the Blanks

Type answer...

10

Fill in the Blanks

Type answer...

Sumy algebraiczne

z kluczem

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