 Bài 1:  !"#$%&'$%(')*!(++,-%./!01 (' ('2,*!"#$#3#45!"#)6!%)7(8,- 9:1#;!")1<;=45!"#)6! 9/!>)>?@A!"#?)=B# &'C!!"#/D%01#;!>?,-*)7;%/!>)>?E) Bài 2:)F;#!"#G#-)(++%>)>?@A!"#?)HIJ#K) L(M'/!1")E)-!<N!,*")E)-!4@E)=O!"P!#,*>)>? P!<Q<!"B##?R),E)S 'T6G#-)' '+%$#T6G#-)' '+%(#T6G#-)' Bài 3:)F;#!"#G#-)(++%>)>?@A!"#?)HIJ#K) LUM'QJ/!>)>? 4V)4W!"W7S '$+' '(+' Bài 4:X!"&$##@DY4W!"W!"#G#-)Z+'[FI )# &$/!01<!" !"L$M'QJ/!#/!01P!)F=4W!"W #' Bài 5:(UTP!")1<;#)6!1,E)#/!01!@!I\!"#)6!F F)]I':1#;! !"#1!")!%<@E01>I.#1!")!^+%_8'  > `(U#)3#a^&%b&' ! ( & U Z $ c b 8 _ (+ (( (& (U `da (++%+$ (++%+Z (++%+c (++%+& __%__ (++%+$ (++%+& (++%+Z __%__ (++%+( (++%+Z (++%+Z (++%+( Bài 6:e+8++1f!">?>IS8)>g ,* ^$dg>)>?T@D!"h (ig^(++µ>' α '/!!"@j!"!-J%>)>?IJ6#?)%>)>?=((@ET@D!"h% !Q!" k!TJ' 'el!"e!*J#3##)6!1#)6!),E) !")F!)N!TE!!. T*(d9+%+b>' m /!6>?IF#-)=-IF#-)4l!"e!*J' m /!n)")!T.JoI#3>)>?<n)<-\!">)>?T@D!"h' m /!>?N!#)6!)*e3W,W' Bài 7: I?!F-,T,)>)+p&d4l!",E)ib(+bf!">?+m &++dg [ ! ^&+++' '/!>)>?!q!.*,T,)>)!*J3#-#@D' '/!.>?l=,T,)>)' '/!>)>?=#)6!<Yl,*!"Ir!I!".-l' β 4'I?!,T,)>)#-#/!01T*+%++(M%*!Ts>A #r,*/!6>?IF#-)4l!",E)ib(+b,*/!>?.l' Bài 8: )F;#4)IJ3!#@Dt#!@>I e)IJ3! `:amµ (+ &+ U+ Z+ $+ c+ 7>?`[ 0 a &++ (++ cb $+ Z+ UU ' is>A#rHI!6")u4)IJ3!,*>?7;\!"@A!"1#r;' ' iv#FHI 7;8$%8c%8$%8Z%8c%8$%8Z%8U'wJ")f!"FHI  #T@n!"S01#;!4)IJ3!%>)>?')F^_8M6>?>I4!^U%+' .  Bài 1:  !"#$%&'$%(')*!(++,-%./!01 (' ('2,*!"#$#3#45!"#)6!%)7(8,- 9:1#;!")1<;=45!"#)6! 9/!>)>?@A!"#?)=B# &'C!!"#/D%01#;!>?,-*)7;%/!>)>?E) Bài. !"#$%&'$%(')*!(++,-%./!01 (' ('2,*!"#$#3#45!"#)6!%)7(8,- 9:1#;!")1<;=45!"#)6! 9/!>)>?@A!"#?)=B# &'C!!"#/D%01#;!>?,-*)7;%/!>)>?E) Bài 2:)F;#!"#G#-)(++%>)>?@A!"#?)HIJ#K) L(M'/!1")E)-!<N!,*")E)-!4@E)=O!"P!#,*>)>? P!<Q<!"B##?R),E)S 'T6G#-)' '+%$#T6G#-)' '+%(#T6G#-)' Bài. 2:)F;#!"#G#-)(++%>)>?@A!"#?)HIJ#K) L(M'/!1")E)-!<N!,*")E)-!4@E)=O!"P!#,*>)>? P!<Q<!"B##?R),E)S 'T6G#-)' '+%$#T6G#-)' '+%(#T6G#-)' Bài 3:)F;#!"#G#-)(++%>)>?@A!"#?)HIJ#K) LUM'QJ/!>)>?