2006 2005\r2005 2006\r\rPc 146 234 60. 27%\r!"P 12 14 16.61%\r$%P 8 10 25%\r&'Pc 24 30 25%\rK :3.14X37.68+3+2+3.142X8\r=3.14X22X8\r=3.14x32\r:100.48d e \r2 8 -1 ,? NBBf?gBh100.48ijkl.\rK : 1.1+* + m \r= 2 + 8\r=i6@= F * //m\r29-1? NnopqrstPu?vwxyRznW161l.\rK P6:4= 3:2\r3 0 -1 ,? N{j|}nj|?AB?h3:2.\rK : 840+3x5=140040\r840+2x3=1260~\r1400-1260=140^ \r31-1? N140~.\r[ : 1 5 2 5 +5-3\r=30+2\r#\r15H3+5\r=15x8\r=1201l\r32-1? NAB
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