on Warning : The document was created with Spire.PDF for .NET.\r28-1 A\r29-1 D\r .(2 1 2 5 )\r3 0 T 7V A `A\r0@ P`p?\n.(?1 ? 5 ?)\rF : (15*18)x12+2 + (25-12)x15+2\r=33x12+2 + 13x15+2\r=198 + 97.5\r31-1=295.5(cm2)\r@ .(? 5 ? 25?)\r: (10-9)+10x100%\r=1+10x100%\r=0.1x100%\r=10%.\r32-1,G 7HIJKLMNOPQRS.\rT 79UVWXYZ[\]x^ _ ,\r4 : 6 = ]\r5=2:3\r2x=9*3\rx=13.5\r33-1a 7Xb[\]13.5^_.\r:3.14*(2+2)2+3.1423.5\r=3.14+21.98\r=25.12(cd_)\r3.14x(2+2)2x35\r=11f\r34-15 "\r# 1 1 $ ? 1 2 $.\rg:ijklmWnop:\r1 Sh\r= 1 * 9.42x0.9\r=2.826 qd_%\rl r s t :S=aK4.5*2=9 ?cd_\ruvwWlWxyp72.826+9=0.314 ?_ \r35-1a 7z{v0.314_\r:227.5+3.5x2,\r=65x2,\r=130|_?\r36-1a 7}~Wy=13 _\r# 1 2 $ ? 1 2 $
全文预览
