r&'() &'*+(,-(\rbc 2.38\rd K e f c 6.38\r12& G ; 10\r0Z[ \ ] ^ _ ` 16.38\r>^g?h\rijk=2000x0.28/ 24x20+52x10 =0.56\rA ^g?TH=20x24x0.56=268.8 .\rB ^g?TH=10x52x0.56=291.2 \rDn^TH A ^ g 268.8\rB ^ g 291.2\rop) 196 (0.28x700)\rs) 126 (0.28x450)\r0---- W 882\r t u P v w 5 28\r0 28\rxbNy?TH\r1 2 K L T H 168\r0---- W 168\r(4) W z{|\r= (385+217.8+163.4+1415) - 14 882 28 168= 1089.2 ()\r(5) W }~+1000?:3
= 1089.2 1000=89.2 ()\r5 ^ + _ 89.2\r0: 3
89.2\r(6):3?z{+=268.8+291.2+196+28+1000= 1784 ()\rH?p?KLpp\rc ¡¢?£¤¥¦§¨© ªpT«}i¬?®p¯¯°±p²{³´{\rµ¶«®p·¸¹º»¼p½¾¿À\pÁ´?ÂÃkÄÅÆÇÈÉ\rÊË??ÌÍÎÏÉ