Go back to previous page
Forum URL: http://www.cut-the-knot.org/cgi-bin/dcforum/forumctk.cgi
Forum Name: Middle school
Topic ID: 32
Message ID: 1
#1, RE: Four 4's
Posted by alexb on Dec-05-00 at 10:41 PM
In response to message #0
LAST EDITED ON Dec-05-00 AT 10:45 PM (EST)

LAST EDITED ON Dec-05-00 AT 10:43 PM (EST)

[x] stands for the "floor" or "whole part" function - the largest integer less than or equal to x.

1 < sqrt(sqrt(4)) = sqrt(2) < 2

Therefore, [sqrt(sqrt(4))] = 1.

Do not be sorry. Thinking and noticing this how one does the learning.

All the best,
Alexander Bogomolny