14 ,14.2 ,4 ,1, ,2, ,1, SASASASSS.SASASASSSAAASSAAAS . (1) (2) (3). ,1,1, 1 ( AAS) 2ABCABC ABCABC.,1,(1) (2) 磺 ()漰 (3),1,3 () 4SASASASSSAAS 2AAASSA 4 ASAAAS,1 BFCDAB=ED ABEDACEF. ABCEDF. ABEDACEF B=DACB=EFD. ABCEDF ABC EDF. (AAS),1,2 ADABCCBAD CFBEADADFE. BECF. BECF BDECDF,1,ADABC BDCD. CFADBEAE CFDBED90. BDECDF BDECDF(AAS) BECF.,1, ,1, ,1 . 1:CBD B =D =90 AB= CD1=E 2AB = DB, BC =BEABC=DBE.,1,1,2 BDCEBCBDF CEF( ) ASSS BSAS CASA DAAS 3 ()ABCDCB ABCDCB( ) AAD BABDC CACBDBC DACBD,4 ()ABC DCB( ) AABDCACDB BABDCABCDCB CBOCOAD DABDCDBCACB,1,5 ADEACCE123. ABDE.,1,2,2,3 BC ABDACE( )_ _ BCA AASASA ABACADAEBDCE ABAC ADAEBDCEBE CD.,ABACADAEBDCEBECD(),2,1 ( ) A B C D 2 ( ) A B C D,3 ABCDEF ABDEBCEFACDFADBECF. ABCDEF( ) A B C D,2,2,4 ABACABE ACD_( ), (1) (2) (3) (4),