1、 D S = = 1 4 D C = D 2 D D 2 2 2 4 4 16 4 x = ( ) 11 a b c - 2 A B a b b b a b + + C + b D + b a b b a A B a b c b a c - - 1 1 C D b a c a b c - - 4.5 3 6 2 1 4 0 1 2 7 - - - - 4.5 3 2 1 4 1 - - - - 3 1 - - - 5 6 1 6 , 1 3 - - - 1 6 5 6 ( 5) + ( 1) = 1+ ( 1) = 0 - - - - 1 5 x x x 0 |x|= x = 1 x 0 |x
2、|= x = 1 | | | | x x x x x x x x = - = - - 3 3 0.6 41 127 0.3 - - - 1 2 4 2 1 0 0.21 - - 1 3 6 ( ) - - 1 3 1 2 7 1 - - - 1 7 3 7 14 0.3 - - - 1 3 1 4 A 0.3 B 0.3 - - - - - - 1 4 1 3 1 3 1 4 C 0.3 D 0.3 - - - - - - 1 3 1 4 1 3 1 4 A 0.3 B - - - - 1 3 2 3 3 4 C 2 4 D - - - - 1 4 1 2 D (n m ) m n D - -
3、 1 2 1 3 A 0.25 B 4 1 4 1 4 - - C D 1 4 1 4 1 4 1 4 - - A B 1 5 1 3 - 1 2 0 1 1 2 ( 2.5) | 4 1 3 | - - - - - - 29 3 1 2 1 1 3 - - - 2 | 0.25| 1 3 33 +| 2| |+2|+|+3| | 3|+| 4| |+4| 34 1 2 1 2 1 2 2 3 1 2 1 5 2 3 2 5 - - - - - - - - - + - - + - - - + + + 37 - - - - - + - 1 1 4 3 4 1 1 4 3 4 40 + + - + + + - 3 1 3 5 1 4 3 1 3 5 1 4 46 x = | x|+ x + 1 4 - 1 2
