- -
; 11-11-2017 01:15 AM
q113q116 ( )Q94: q26-q27
(11-11-2017), (11-11-2017), (11-11-2017), (11-11-2017)
... ... ! ( )
(11-11-2017)
2pi .
q1 147 ( )Q117: Q5. *
( ) - (k = 0) 2pi pi - pi
2019 () 2013 - 2014 2 (...
..... 7pi/6 .... ( ) 7pi/6 .... ...
greatestintegral ..... prove...... +
(11-11-2017), (11-11-2017)
: 1 (0 1 )
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