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1、 ,8. ., .,53 = 15,155 = 3,9.,2 2 4 ., , 3 4 ( ) .,12,10.,12,4,3,12 4 ( ) .,3,3,4,12,10.,12 3 ( ) .,4,4,3,12,10.,2,2,2,2,2,4,4,4,4, .,1. 6 2 ( ) .2. 12 4 ( ) .,3,3,62=3,124=3,3. 15 3 ( ) . :,4. 15 5 ( ) . :,5,153=5,3,155=3,15 3=5 ( ) ( ) ( ) .,15,3,5, ( ) ( ) ( ) .,15,3,5,12 2=6 ( ) ( ) ( ) .,12,2,6,
2、 ( ) ( ) ( ) .,12,2,6, .,( ) ( ) ( ) ( ) ( )( ) .,( ) ( ) ( ) . ( ) ( ) ( ) .,15,5,3,15,3,5,15,3,5,15,3,5,1. ( ) ( ) ( ) .,2. ( ) ( ) ( ) .,3. ( ) ( ) ( ) .,183=6: 18 3 6.( ) ( ) ( ).,1. 93 3.,B、33=9, ,2. 15 5 3.,12 3 4 . , .,16 4.18 6 3. 3. 5 4 20.4. 30 5 6 ., , : . 2 .,4,4,16,6. .,3,5,15,7. .,63 = 2,153 = 5,205 = 4,93 = 3,
