Z[\\r( 2 ) A K345*+45]^_`30b50EMcdefgh5Aij5C/E0U1\r'WL?YklZ[\\r(3)?m?KnX100Cop0nX;<0IqLA 5A(7. 2C/E0B 5A(7C/E,\rnX??/3 U C nX;<*+5Avw/xw\\r1 . O3?4:?
Y¡¢3¡£Os¡¤4¡£¥¦F 50%Y§¨©ª(«¬4¡£§¨©ª\rYps®3¡¯°±¬3¡£§¨©ªYps®4¡(E$4¡£Y§¨]©ªYM*²M2\r2 .\ryz{|0Z"yz{|?}~A0iA(2 :1 ,Z"yz{|}\r~
}~A0iA/3:1=y{|A.\r6 . 1/500C0ym0LLp='W1120C0'W1\r100C0ym?/1200Ci1'W=-.
xw\r7. .¡¢£0¤£ 4 ¥L¦h0§¤£ 5¥L¦h0¨K§¤£2 ¥LX0©i\rª 6¥L¦h0«¬ xw¥L¦h\\r8. 1'P2 'P5 '?®¯°±26²02 '8³´h5'¯°01'8³´h5'¯°X0¯°µ¶·(\r11²0\r5'¯°xw²\\r9 . i¸¹aABC24DEF/y)¦8º»¼½¾?¾0AB=9cm, FC=3cm,¿À³'ÁÂ=\r1 0 ,ºÃ300ÄC0.ÅÆÇÈÈ0Z"Ç5ÉÊ20%,&É91¥LË0Z"5Ì\rÍaÄCX0Î5AÉÊ25%,Ï&É91¥LË=a/xwÄC