oblicz stosujac prawa dzialan na potegach:
a) (-3)³=
b) 6³:36³=
c) (5²⁰ + 5¹⁸) * (3⁴)³
----------------------- =
(5¹⁶ + 5¹⁴) * 9⁵
d) (3⁻⅓ * 27⅔ * 3⁻²)⁻³ =
Ratujcieeeee ! ;(
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a) (-3)³= -27
b) 6³:36³= -46440
c) (5²⁰ + 5¹⁸) * (3⁴)³/ (5¹⁶ + 5¹⁴) * 9⁵= [ (5²⁰ + 5¹⁸) * (3¹²)] / [(5¹⁶ + 5¹⁴) * 3¹⁰ ] = [ (5²⁰ + 5¹⁸) * (3²)] / (5¹⁶ + 5¹⁴) = [5¹⁸(5²+1) * (3²)] / 5¹⁴(5²+1) = 5⁴ * 3² = 5625
a)
b)
c)
d)
Wiesz, jest dosyc późno, ale mam nadzieję, że nigdzie się nie pomyliłam...