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,:20xx52715222abcabc3212.12345612534123mvp150/2303mvp ,!,! 1118 1120 1123 ,-:(1) 12,(2) 45(3) (4) (5) : ( 1) 600 : (1 ) 500; 1. 2. 34. 5. 2 260 52020 60 120010 72 720 12 10/ 12x5x10=60012 30/ 30x12=360 : 600 500 400 1200: 61001(2) 34 512,(3) (4) (5)(6) (7)(8) :123o20xx12 11 10 12354 1110 - 11 15 12312121234567786.09691222010303011451220(1)32mvp3xx245331212345nba67389103111212345678111/2/22()3456721234105678910111213141516171819202111-1 531-2 301540201-3 ()()1-4 ()(1)2 2-1 2-2 2-3 ()2-4 353(5:0)3 3-1 3-2 ()()()3-3 ()3(3)4 4-1 24204-2 424-3 62
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