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及鈍嫗腎寂盾裂叱採 匯、僉夲籾 壓腎寂岷叔恫炎狼嶄?泣?1??2?3?壓[D]A.及匯慥?B.及屈慥?C.及眉慥?D.及膨慥? 圭殻2222=+yx壓腎寂盾裂叱採嶄燕幣議夕侘葎[C]A.蓉垈B.垈C.蓉垈庠中D.垈庠中 岷?3 12 14 1: 1+=+=-zyxl嚥 =-++=-+-0 201:2zyxyxl?議斜叔頁[C] A.4 π B. 3 π C.2 π D.0 壓腎寂岷叔恫炎狼嶄?泣?1?2,3?購噐xoy峠中議斤各泣頁[D]A.(-1,2,3)B.(1,-2,3)C.(-1,-2,3)D.(1,2,-3) 繍xoz恫炎中貧議砺麗?xz42=汎z已傴廬匯巓?侭誼傴廬爆中圭殻頁[B]A.)(42yxz+=B.2224yxz+\= C.xzy422=+ D.xzy422\=+ 峠中2x-2y+z+6=0嚥xoy峠中斜叔議噫碗頁[B]A.13 - B. 13 C.23 - D. 23 壓腎寂岷叔恫炎狼嶄?泣?1?2,3?購噐yoz峠中議斤各泣頁[A]A.(-1,2,3)B.(1,-2,3)C.(-1,-2,3)D.(1,2,-3)圭殻 222 2 2 xyza b + =燕幣議頁[B] A.蓉垈砺麗中 B.蓉垈弑中 C.蓉白中 D.白中 厮岑a ={0,3,4},b={2,1,-2},夸=bproja[C] A.3 B.3 1- C.-1 D.1 10?厮岑,ab葎音慌??楚?夸參和光塀撹羨議頁D A.2 2 2 ()abab=B.2 2 2 ()abab=C.2 2 ()()abab=D.2 2 2 2 ()()ababab+= 11?岷?1l議圭殻 xyzxyz++= --=?岷?2l議圭殻 xyzxyz++= --=?夸1l嚥