ã ã âã ããã ã +ã ããããããâ
ãã ã ã ããããããããããâ
ãããããâããã ïŒ/ ãœãããããâ
ãâ
ããããã .â''"ÂŽâŸïœãœïœ€
ããããããã.'ÂŽããããã ãœã ãœ
ããããã ã lãœã j ïŒïœ€lãœãïŸïœ€ã .'ããã
ããããã'ÂŽ r'" .ïŸïŒŒ .r=ãïŸ'{ }ãããã
ããããã.lããr=-ããã ã ã l11 `â ã
ããããã1ãœ' ãã=â'ã ã 人㫠ã `
ãããããïŸã'ãããããã ïŒãããããã
ã ã ãããã ïŒâŸâŸâŸâŸ.ã
ã ã ã ã ã ãããããã.r= ãã ã ã
ã ã ãããïŒâ³r=-ãã ãããã
ã ã ã ïŒïŒ¿ïŒ¿ïŒ¿ïŒ¿ïœ°=â' 
ãïŒïŒ ã ⟠âªâª ⪠⪠âªâªãâŸ
ã ã ããããã âŸâŸâŸâŸ
ãããããã ïŒ/ã/ããã.
ãããããïŒ ã ïŒâãœãããã
ãããããããã/ã r= )
ãããããããã
>>427/
ãããããããã /ãã
ããããããã //ã ãã
ãããããã ãã .