

Działania na pierwiastkach.
Presentation
•
Mathematics
•
1st Grade
•
Hard
Marta -Krych
Used 4+ times
FREE Resource
5 Slides • 0 Questions
1
Działania na pierwiastkach - wprowadzenie.
klasa 7

2
Mnożenie pierwiastków tego samego stopnia na przykładzie pierwiastków kwadratowych
a⋅b=a⋅b
Przykłady:
3⋅12=3⋅12=36=6
23⋅32=2⋅3⋅2⋅3=66
3
Dzielenie pierwiastków tego samego stopnia na przykładzie pierwiastków kwadratowych
a:b=a:b
Przykłady:
12:3=12:3=4=2
615:33=215:3=25
4
ZAPAMIĘTAJ!!!
(a)2=a⋅a=a
Przykłady:
(5)2=5⋅5=5⋅5=25=5
(25)2=22⋅(5)2=4⋅5=20
5
Dodawanie i odejmowanie pierwiastków
a+a=2a
Przykłady:
7+27=37
65−25=45
2+133+72−23=82+113
Działania na pierwiastkach - wprowadzenie.
klasa 7

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