# A a 45 c aa def ab c pg pg a g p c g d e e p f

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Unformatted text preview: + (c + c ′) b + b ′ < (a + a ′) + (c + c ′) c + c ′ < (a + a ′) + (b + b′) 8 \ a + a ′ , b + b ′ , c + c¹ ′• Ð ------- (5) ª·l ë c\1• Ð ¹ 82 ¦q˜ 8 89703 A B C G D EP F 8 8 A8 ε 260 8 45• ¹\cÐ 150 8 45 ˆ¶ªb ¹{〈 + ∴ ″ ≈ ¢ á ø·ª 8 18¹ { \ˆ¶ªb + + ∴ ″ ≈ 〈 ¢ á ø·ªb 8 150 ø·ªb ¢á 130 ø·ªb ¢á G ′P ′′ B ♥ ξ DEF a FE ′D ′ − C ′B ′′A′′ A 45°• ¹\cÐ Aa DEF − A′B ′C ′ PG ′ PG a G ′P ′ … …¢·ª* C G D E' E P F G/ B'' A' B' P' C/ P// A'' D' F' E'' D'' \ ¹ • Ñ ˜c ∗ ♠ • ♣ ° 8 28 8 8 130 8 150 Xb ª· ¢ ä 150 1950 Z 1950• cÐ \¹ ª 1· 30 Xb ¢ä A 1950 · ¢ á øª AXYZb AX = 150 × 13 AZ = 130 × 15 X Y 38 b ·l à x ª 13 •¹\cÐ (B,E)/ (D,E,F)8 15 8 E8 48 38 8 89704 8 n×n/ i c\ x 8 n≥· ¢ 3H bª à n=3 7 @ ð4 2n− ð 2 4=2× 3− n− 2=2 2 8 8 8 8 n=38 48ª\ ·¹ ¢• [email protected] ˜ bà c (8 )8 l8 l5 l4 l2 l6 l3 l7 l1 8 18 8 n=3 8 8 28 8 n = 4 a ð 3× c\3• Ð ¹ 4 ×¹ 4 Ð c\...
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## This note was uploaded on 08/14/2010 for the course 數學 乙一 taught by Professor 鄭質明 during the Spring '07 term at Fudan University.

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