October 2018 1 20 Report

1. Oblicz :

a) ∛1000 + √16 =

b) ∛5²+10² =

c) √5² + ∛17³ =

d) √72 + √2

--------- =

√2

e) ∛2 ·∛32 + √2 · 8 =

f) ∛17³· 12+17·17²+14·17³ =

2. Po uproszczeniu wyrażenia: 3(∛-12 + 2√6)-(2∛12-√6) otrzymamy :

A. -∛12 + 5√6

B. -∛12 + √6

C. -5∛12 + 7√6

D. -5∛12 + 5√6


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