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M.#1)2#0#R#87*+#<=8='RT* #E;AC A-:700"/-n7-fGz' B-:700"/-fGz'-n7 C00"/-:7-n7-fGz' D-fGz'-n700"/-:7 36. o#<#G:/;1%.'#E#9$;C/>Hb#E)*+;-a7G#E-#.w .*O/4 #<#;-> &E# ;./2.*O#ET##B)2VKE#i;- *+#.:;WQZ*O-;$%.K;-#0#;F!&;1%#E.XY*+ ;F^<T#/-0;!#0#0.d[%ƒ 2#A&;1%#E^;$%.K#<#;- .$A> & ;CAXB3CD 37. 6b>C-A$7/7#RLC=!$!8-%#9$$„ π\#E\-%V*+#5 \\ K.ˆ =-G$MW\ \/#0#&?#K[%#‰$2.ˆ=-G$M.O-\0.S!$;?#,- ;e!./7# A. ;A B. B/;AC. .:B/ D. B/.: ox9M .& 38. o/7#;-d#E?!=U>C#$#B/ z cDJ7O^/-A$#,-;-#*O;e !#E0.S#T#7>C/~6!"#/B?#E X z( AR>CO^/ A. (µ B. µ C. 3µ D. µ 39. M.;-9$e-#,-/>HO-<[@--AC(|Bn7/ O^/CE>H#EC‡ C‡ -$E/)BO-Š>H#EC‡ >C C‡ 4|0.Sa[#,-Š A. B. C. D. 40. o/0%=0!8-%#9$/=-#E!.J.)20)^Z-#T##,-/0%=0> /7/7# :/#$#B/$A/<#=> !.J$AN.2#,-/0%=0!I$-%9$> #E#>e4K ;e!./7##E#*O!$;?~>C!#2$[#,-7/7#ca).2#,-/0%I$-% 9$> #E#>e4K#*O;e!!$;?./7##E0.S A. ~ B. ~ C. ~ D. ~ 41. o#$;1%;‚I$-%9$I$-/.?##S/./b=Q> #$;1%>C.W.*O9$#E =*G>$2E#> .?#I$-%j$[!#B/R8$[!.#$;1%#E0.S#T#7CP M7O^/ $[!R#O'P 4>C-K>m#G=0=$% n C/> >m#G B /E# A. B. C. D. X 42. c-71l>C‹#E?)-$$#2#,-71l G$#2#,-71‹K A. *+&)#,-71l G*+&)#,-71‹ B. *+&).&#,--71-$ C. 71l9>@G71‹ D. 71‹9>@G71l 43. c-#[^/o o #F;-9$C.&.?#Œ88$I$-#Œ> #FA\&;-#,- o o *GRC#/3#/>C;-#,-o /=-G;-#,-o /E#π4N)B#0#@- ->HC#/Ko >Co #0##7A*+ ~#/>C#/ DX#/>C3#/ 3#/>CX#/ r#/>C#/ 44. 6b!0= # _ `u t V π = >C-A$7/7#RLC/<#=D R = Ω #$;1%$A#B/#E T#B/ 4 _ `L H π = >C?!#E!;$ 4 _ `C F π − = N!0=R#O@--A$#$#B/ V K #,-!0=R#O@--A$!.J>C@--B?!A*+ A. V >C V B. V >C V C. V >C V D. V >C V 45. w=0^$sai A. c-;-9$C#FA*+#=-K#,-#g$2$2-$ B. N>Hb#,-#<#e8W>S."&>S."#1K>'#G>H#>C>'#G-#$2$2#F #9$ C. M.;-9$C) #,--#K #,->H#B/ D. r-T;C;-#EA#i=?$#b#"#,-!)2=?$##0#%$&C 46. N"#"###0#$%&nc;.#$%^W.70#GB&.70)"#"#RM.I$-=V=087 #,-c;.-$Ei@-* #E;C[>C* #E<[ A. X B. 3 ( C. 3 D. ( 47. oE#G8$[=0W$:Œ#E=*G.K #_ `u A t cm π = -.$%9I$-^/o.: ^/Z#0# -$/)B λ 7O^/;-#,-=Ano>CZC cmu M = cmu N −= NB O<[)^WO^/E);-#,-=An7Z7#T#7C A. s B. 3 s C. s D. s 48. M."!/>9T=B87E.&>H#B#Sj+;1%/9/~D#EA$D#SA$~;-9$e- D-^/oZ)2=BCgE/.&+;1%#0#-$oZλ4oλN^/oI$->S."#1 _5MD`K A. ^/Z#E#T#7^/I$-5MD B. ZI$-5MD^/#E#T#7 C. ^/Z>C^/I$-5MD D. ^/Z#E#T#^$^/#E#T#7 49. 6b!0=8-%#9$$„ #ω>C-A$/7#!/<#='RT!.Jf#$$A#B/d >C?D„dω)2-%V!;$>C!.Jf#E^-%VN K!0=!$;?- A$!.J)2=?$#f) K!0=!$;?-A$/7##R-d>Cf#‰)2=?$#f D^$R#gCA. B. C. D. 50. | 7I$-!#,-/)/7C A.dC* #E<A$1% !*+=0I$-J)/7 B.dC* #E<A$S=B87.&9/b)/7 C.dC* #E;C[#,-00)"#"#<A$8B% !*+I$-! D.dC* #E<[#,-00)"#"#<A$8B% !*+I$-! 6••Zo•6Ž ox9M .& Câu 1. A Câu 2. D Câu 3. A Câu 4. D Câu 5. B Câu 6. B Câu 7. D Câu 8. C Câu 9. D Câu 10. C Câu 11. D Câu 12. A Câu 13. D Câu 14. B Câu 15. A Câu 16. D Câu 17. C Câu 18. C Câu 19. D Câu 20. A Câu 21. C Câu 22. B Câu 23. A Câu 24. B Câu 25. C Câu 26. D Câu 27. C Câu 28. B Câu 29. C Câu 30. C Câu 31. C Câu 32. C Câu 33. A Câu 34. B Câu 35. D Câu 36. A Câu 37. B Câu 38. A Câu 39. B Câu 40. B Câu 41. D Câu 42. D Câu 43. D Câu 44. A Câu 45. A Câu 46. B Câu 47. B Câu 48. C Câu 49. A Câu 50. 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