September 2018 1 18 Report

OBLICZ:

a) √25 - √9 - √25-9

b) √225-144 + √225- √144

c) √324 + √576 - √324+576

d) √144 + 256- √144- √256

wyniki:

a) -2

b) 12

c) 12

d) -8


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