11=8 ( A )\r! " 1 ~ 5 8#$9:;<=>?\r\ 8\rA B \\r8 8 8 C8\rDE 10 13 16 15 13\rFG 12 14 12 14 8\rHI 14 10 8 10 11\r 36 37 36 39 32\r bDEb10+13+16+15+13=67(A)\rFG412+14+12+14+8=60(A)\ritHÿl: 14+10+8+10+ll=53(A)\r67>60>53\r35-2DE=>AKu1½=>A3 \r35-3. I?39>37>36>32, < 'AKu.\r35-4 b 8¿:À<=>'ÁAB39A.\r36-1 s K 60^-(l-30%-10%-15%-25%)=300(A)\r36-2, b300X(25%-10%)=45(A)\r 2 0 2 1 .\r( 142+143 + 140+154 + 145+144*168) +7\r=1036+7\r= 148 (ÂÃ)\rJ 14Ä142143144145154168Å ÅÆB 144.\r37-1 bÇ*8È0ÉÊ'mnB148 , ÅÆB144.\r37-2 bÅÆBËÌÇ È0'ÉÍÎÏ.\r 2 1 2 1