Odpowiedź:
a) √25 - ∛8 = 5 - 2 = 3
b) √(16/100) - ∛(1/27) = 4/10 - 1/3 = 12/30 - 10/30 = 2/30 = 1/15
c) √64 - 2√4 = 8 - 2 * 2 = 8 - 4 = 4
d) - 2√34 - 3√81 = - 2√34 - 3 * 9 = - 2√34 - 27
e) - 2√(1 61/64) = - 2√(125/64) = - 2 * √(25 * 5)/8 = - 5√5/4
f) ∛27 / √225 = 3/15 = 1/5