# 27 - 912701 t1,t2,t3,t4 t2003 t1=2,tn 1=,n=1,2,3 f t1=2 t2=...

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˛ * ˛ * °°° …°°° 912701 t 1 , t 2 , t 3 , t 4 , …  t 1 =2 , t n+1  = , n=1,2,3,… t 2003 ł f ” „ “ t 1 =2 ,  t = = = , t = = =  - , t = = = -3 , t = = =2 , … ł f ” „ “ * 2 , ,  - , -3 , 2 , ,  - , -3 , 2 ,… (4 )  2003 ÷ 4=500 3  t 2003  - t 1  ,  t = , t = = = = = -, t = = = = , t = = = = = t 1  ,

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t 2003  = t (2000+3)  = t = -=  - 8 k ” „ “ G < ” “ * Æ ˛ * Z ˛ * 8 k ” „ “ * 114 8 k ” „ “ * 109 — ˛ * 6.66 — ˛ * Z ˛ * E E 912702 M 1 ,M 2 30 0 ( )8 k ” „ “ S M 2 8k ” „ “ * M 1 A § ( ) — ˛ * S = = 1 8 k ” „ “ * S 8 k ” „ “ * S 8 k ” „ “ * 8 k ” „ “ S 8 k ” „ “ * M , M 2 § A B C ∵∴ ° S ° M 2 ∴ ∠ SAX= YVX=30 o ∵∴ ° =8 ∴ ∠ BAC=30 o ABY=180 o - SAB=180 o -120 o =60 o = CBV ∴△ CBV BCV=90 o = ACB ¨ M 1  ( C ) — ì Î * S 8 k º¹ ª * S 8 k º¹ ª * S 8 k º¹ ª * 2 × ( + + ) = = 1   =  ABC 30 o -60 o -90 o
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