8\r`Dé= 2000x0.28/\r(24x20+52x10) =0.56\rA `?=20x24x0.56=268.8 (??)\rB `?=10x52x0.56=291.2 (??)\r¾ÝZ?Þ ÞA 268.8\rWB 291.2\r±ê 196 (0.28x700)\r{ 126 (0.28x450)\rßGÞ ÞW 882\r: ë > 28\rßG 28\r¿À\]`?\rÝs ¬ / µ ? 168\rßGÞ ÞW 168\r(4 ) W ÁÂ!=.\r(385+217.8+163.4+1415) - 1 4 - 8 8 2 - 2 8 - 1 6 8\r= 1089.2 (??)\r(5 ) W L ¥ ¦ H ? ì 1000¤Ã`%pÄHy\rÅ =1089.21000=892 (??)\rÝ > í ? g t 89.2\rß % p Ä H y Å 89.2\r( 6 ) % p ` Á  H ? =\r268.8+291.2+196+28+1000=1784 (? ? )\rÛîïÜ?ðËìñòóôî`õA\r¼ö,\rò/µ÷ø\rùúûJü\rýìþÿ 0\rP`p? \r??\r !" #$%\r &'()*+,-./012"3\r4 56789:;<=>?@ABCDE\rF =