,:20xx52715222-abcabc3212.1-2345-61253-4-123mvp150/2303mvp -,!,!- - 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) -3-4- 5-12-,(3) (4) (5)(6) -(7)(8) :1-23o20xx12 11 10 12354 1110 - 11 15 12-3121212-34567786.09691222010303011451220(1)32mvp3xx-24533-12123-45nba6738-9103-111212345678111/2/22()34567212341056789101112131415161718192021-11-1 53