... nhit:d4,i,@.,(Q2V,x'q,^,GA,T^,$,d6B,U, 92( Q2@q(Q-U# ,2? 42$ 2V,x2C,=ã%P3,,$=G, 92( Q^&OV,x/04@G8Z,#,(q/n2N2=d2=/.,M,T^,$=ã-,TM=d20&(jK, 42% 22C#,(q2 $2% ,x(?=>,d2#S$,TU@& [2^ (jK8d04@G2?@. 62$ 20,/+U,,TS$,TU2C#,- 2@ q(Q=,N2K 62= #2/ 9=>T2 $2% ,xM,T0)P3,-6($@,^8d,%,d,T *2& quot;( 32& amp;3.4. ... nhit:d4,i,@.,(Q2V,x'q,^,GA,T^,$,d6B,U, 92( Q2@q(Q-U# ,2? 42$ 2V,x2C,=ã%P3,,$=G, 92( Q^&OV,x/04@G8Z,#,(q/n2N2=d2=/.,M,T^,$=ã-,TM=d20&(jK, 42% 22C#,(q2 $2% ,x(?=>,d2#S$,TU@& [2^ (jK8d04@G2?@. 62$ 20,/+U,,TS$,TU2C#,- 2@ q(Q=,N2K 62= #2/ 9=>T2 $2% ,xM,T0)P3,-6($@,^8d,%,d,T *2& quot;( 32& amp;3.4. ng dng ca cụ c:6N,T8Y5C,j42C,K,d2sPK6>2sP&N2( +2( q(^,(> ;2 *(Q66 12, i @2% K 32( 466 12( .,T^,$S$0HI4(q/.,,&Y5C,,d2sP(_KPU2+K2 $26 6 122 ,T$2V@&&&Y5C,j42C, ... PE8=K/9=>T2?4,=ã-G,hA/EPB&6(_/+,=ãK26;&P31ndt=060=(m) A&JE,TJE 4 .2. 2 .2. Tớnh ỏy ni 2: *2= P- #2, T()/#$8C,TAO;KJ|4,B2 $20 2,+,$9*K6$8C,ãG*2n22n2 $2( )/#-)(Q0)8Z,ã4&X @20 )6 @2? 4($@*,i0)6 @2? 40*(9,*;JPP4.3....