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a) (-⅔)³= - ⅔ * - ⅔ * -⅔ = - 8/27
b)√1 ⁹/₁₆ = √25/16
zadanie 2.)
a) (¹/₉)³*18³ = (1/9 * 1/9 * 1/9) * 5832 = 1/729 * 5832/1 = 8
b)-2*(-2)⁹:(-2)⁷= -2 * (-512) : (-128) = 1022 : (-128) = 7,9
c)(-¹/₃)³:(-¹/₉)³ = -1/27 : 1/729 = 1/27 * 729/1 = 27
d)√7 ¹/₉*∛²⁷/₈= √64/9 * ∛23/8
zadanie 3.)
a) 5√3 = √5² * √3 = √25*3 = √75 = 25
b) 3∛4 = ∛3² * ∛4 = ∛9*4 = ∛28 = 7
zadanie 4.
a= 2√6 = √2² * √6 = √4*6 = √24
b= 5√3 = √5² * √3 = 25
Licze na naj !!:DDD :)) bo duzo sie napisałam.