oblicz
a ) (3√27/125)3 - (3√1/8)3
b)(3√2 10/27)3 + 3√729
c)3√343-3*(3√27)3
--------------------------- to kreska ułamkowa
-(3√64)3
d) [(3√0)3 - (3√8)3]3
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a ) (3√27/125)3 - (3√1/8)3=(³/₅-¹/₂)³=(⁶/₁₀-⁵/₁₀)³=(¹/₁₀)³=¹/₁₀₀₀
b)(3√2 10/27)3 + 3√729= (∛ ⁶⁴/₂₇ )³+9=⁶⁴/₂₇+9=2¹⁰/₂₇+9=11⁹/₂₇
c)3√343-3*(3√27)3=7-3*27=7-81=-74
--------------------------- = 74/64=1¹⁰/₆₄
-(3√64)3=-64
d) [(3√0)3 - (3√8)3]3=[0-8]³=(-8)³=-512
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