搜索
11221101023()10420%0522000200120022003200420052000(1):23,4(5)20052005112005bkxxf)(yx,ABjiAB22ji,yx,6)(2xxxg1bk,2x)()(xgxf)(1)(xfxg.1},{),,0(),0,(bkbABbBkbA.21,22bkbkb2,62),()(2xxxxgxf,42,0)4)(2(xxx,521225)(1)(2xxxxxxfxg3)(1)(,02xfxgxx+2=1x=1)(1)(xfxg3.22005baxftxbxxa)(),,1(),1,(211t..,)1()1()(232ttxxxxtxxxf.23)(2txxxf.0)()1,1(,)1,1()(xfxf,23)(,)1,1(,230)(22xxxgxxtxf,31)(xxgxxt23211.5),1(tgt.)1,1()(,0)()1,1()(,5xfxfxft5tt..232005ae|e|1tR|ate||ae|(A)ae(B)a(ae)(C)e(ae)(D)(ae)(ae)tR|ate||ae|2222221,2210atactaacttactactR220421410ccc.=4aaa1acC4(2005)OABO]2,0(),1,(sin),cos,1(BAOABDA6B4C3D22222sincos1sin2|||||1cossin2ababab211+sin=2+422211111||||sin2sin2122424Sabab2sin2-2