5 ±s? T￥?±s 1. 9 ?/ ±s? T￥?±s  1 1-? T  dyxxydx 2 2 +=ω  2 1-? T xdyydx sincos ?=ω   3 2-? T dzxydxdyzdx ∧?∧= 6ω b 3  1 0222 =∧+∧+∧= dyxdxdxxdydxydxdω b  2 dydxxydyxdxdxydyd ∧?=∧?∧?= )cos(sincossinω b  3 =∧∧?∧∧= dzdxxdydydxdzd 6ω dzdydxx ∧∧+ )6( b 2 ! ω =++ +a x dx a x dx a x dx nn n11 1 2 2 2 () () ()" ^ n R ￥ 1-? T p dωb 3 dω 0)( 1 =∧′= ∑ = n i iiii dxdxxa 3 ! ω =∧+∧ + ∧a x x dx dx a x x dx dx a x x dx dx 1232 3 2133 1 3121 (,) (,) (,) 2 ^ 3 R ￥ 2-? T p dωb 3 ! 323211 ),( dxdxxxa ∧=ω ?? 0,0 323322 =∧∧=∧∧ dxdxdxdxdxdx  5μ = 1 ωd 0 323 3 1 322 2 1 =∧∧ ? ? +∧∧ ? ? dxdxdx x a dxdxdx x a b ? ?1 ! 133122 ),( dxdxxxa ∧=ω  212133 ),( dxdxxxa ∧=ω 5 0 32 == ωω dd  V7 0 321 =++= ωωωω dddd b 4.  3 R B? 7 u× ? = × ×(,) (, ) (, )ab cd e f ?l  μ ??? ? ￥f ?    k p? ? )( 1 za )( 2 xa )( 3 ya dzxbdyzbdxyb )()()( 321 ++=ω ￥ 1-? T ω P¤ dydxyadxdzxadzdyzad ∧+∧+∧= )()()( 321 ω b 3 ?5i V¤ )()(),()(),()( 231231 xaxbzazbyayb ?=′?=′?=′  ?[ dxdyya ))(( 3∫ ?=ω dydzza ))(( 1∫ ? dzdxxa ))(( 2∫ ? b 5. !  ∑ = ∧= n ji jiij dxdxa 1, ω jiij aa ?=  nji ,,2,1,"=  ^ n R ￥ 2-? T ￡ ü 1 dω ∑ = ∧∧ ? ? ? ? ? ? ? ? ? ? + ? ? + ? ? = n kji kji j ki i jk k ij dxdxdx x a x a x a 1,, 3 1 b ￡ y1 ,1 n ij i j ij adx dxω = =∧ ∑ ,1 n jk j k jk adx dx = =∧= ∑ = ∧ n ik ikki dxdxa 1, ∑  ?[ ∑ = ∧∧ ? ? = n kji jik k ij dxdxdx x a d 1,, ω ∑ = ∧∧ ? ? = n kji kji i jk dxdxdx x a 1,, ∑ = ∧∧ ? ? = n kji ikj j ki dxdxdx x a 1,,  ?? kjiikjjik dxdxdxdxdxdxdxdxdx ∧∧=∧∧=∧∧  V7 dω ∑ = ∧∧ ? ? ? ? ? ? ? ? ? ? + ? ? + ? ? = n kji kji j ki i jk k ij dxdxdx x a x a x a 1,, 3 1 b 2