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两条直线的垂直.doc

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36、?aJ?&?j+?D h,?hJ KH U?V?aJ?o(?O?O?O O?O?O :O O O BO DO bO dO fO rO vO xO O O O O O O O O tkdPA?j?h,?hJ EH U?aJ?&jD h,?hJ KH U?V?aJ?o(?hf aJ?o(?hf?hJ aJ?h,?hJ 5?aJ?o(?j?h,?hJ U?aJ?j?h,?hJ U?aJ?j?h,?hJ EH U?aJ?&?jW?D h,?hJ KH U?V?aJ?o(?h,?hJ aJ?h,?hJ aJ?o(?j?h,?hJ U?aJ?j9?h,?hJ EH U?aJ?&?j-?D h,?hJ KH

37、 U?V?aJ?o(?N FO fO vO O hP Q Q bR nR zR R R R?$?$?If?a$gd,?$WD a$gdj;?$WD a$gdf?$a$gd,?$a$gdf?$?d?a$gd,?$a$gdj;?$?WD?a$gdj;?O O O O P?P?P?P ,P .P 0P 2P 4P 6P P P P bP dP fP tP vP P P P P P P P voL?jC!?h,?hJ EH U?aJ?&jD h,?hJ KH U?V?aJ?o(?hf aJ?o(?j-?h,?hJ EH U?aJ?&jD h,?hJ KH U?V?aJ?o(?j?h,?hJ EH U?

38、aJ?&?jD h,?hJ KH U?V?aJ?o(?h,?hJ aJ?o(j h,?hJ EH U?aJ?&?jD h,?hJ KH U?V?aJ?o(?h,?hJ aJ?j h,?hJ U?aJ?P P P P P P Q?Q?Q?Q Q?Q?Q -Q DQ FQ HQ JQ LQ NQ tQ vQ xQ zQ Q Q Q pM?jZ)?h,?hJ EH U?aJ?&?jD h,?hJ KH U?V?aJ?o(?jN?h,?hJ EH U?aJ?&?jD h,?hJ KH U?V?aJ?o(?hf aJ?o(?jZ%?h,?hJ EH U?aJ?&jD h,?hJ KH U?V?aJ?o(

39、?h,?hJ aJ?h,?hJ aJ?o(?j?h,?hJ U?aJ?jO#?h,?hJ EH U?aJ?&jD h,?hJ KH U?V?aJ?o(?Q Q Q Q Q Q Q Q Q R R|R R R R R R R R R R R -tNAt h,?hJ 5?aJ?o(?#?j7?h,?hJ 5?EH U?aJ?&?j;D h,?hJ KH U?V?aJ?o(?h,?hJ 5?aJ?-?j h,?hJ 5?U?aJ?h33 aJ?o(?j2?h,?hJ U?aJ?hf 5?aJ?o(?h,?hJ 5?aJ?o(?jY-?h,?hJ U?aJ?h,?hJ aJ?o(?j h,?hJ U?

40、aJ?je+?h,?hJ EH U?aJ?&?jD h,?hJ KH U?V?aJ?o(?R R R RS TS VS S T T T T T?$?$?If?a$gd,kd6?$?$?If?T?l?+l?0?l?6?4?l a?T?R R R R R R?S?S -S S S$S JS LS NS PS VS XS S q_UH?h,?hJ aJ?j h,?hJ U?aJ?h,?hJ aJ?o(?#?j?h,?hJ 5?EH U?aJ?,?j/6A h,?hJ 5?KH U?V?aJ?o(?#?j?h,?hJ EH U?aJ?&j 6A h,?hJ KH U?V?aJ?o(?S S -T T

41、T T T T T T T D T T?$?$?If?a$gd,?$?$?If?a$gd,kd$D?$?$?If?T?l?l l?0?l?6?4?l a?T?FT HT JT LT NT PT vT xT zT|T T T T T T T T T T T T T T T T T wcTHA?hJ aJ?o(?h,?hJ 5?aJ?o(?jO?h,?hJ EH U?aJ?&?j?!6A h,?hJ KH U?V?aJ?o(?jpM?h,?hJ EH U?aJ?&?j?!6A h,?hJ KH U?V?aJ?o(?j!K?h,?hJ EH U?aJ?&?jX?6A h,?hJ KH U?V?aJ?

42、o(?h,?hJ aJ?h,?hJ aJ?o(?j?h,?hJ U?aJ?j.I?h,?hJ EH U?aJ?&?j?6A h,?hJ KH U?V?aJ?o(?T T T U NV bV pV tV vV zV X X X X X V V V?$a$gd,kdQ?$?$?If?T?l?l?0?l?6?4?l a?T T T U?U (U *U ,U .U 0U 2U XU ZU U U jU lU U U U U U U U U U U U U U U oL?jY h,hzl EH U?aJ?&?jp?D h,hzl KH U?V?aJ?o(?jW h,hzl EH U?aJ?&?jD h,

43、hzl KH U?V?aJ?o(?j?U?h,hzl EH U?aJ?&?j?D h,hzl KH U?V?aJ?o(?jR?h,hzl EH U?aJ?&?jD h,hzl KH U?V?aJ?o(?h,hzl aJ?j h,hzl U?aJ?h,hzl aJ?o(?hzl aJ?o(?U?V V V V?V?V V BV DV FV NV ZV bV nV pV rV vV xV|V V V V V W?W?W?W?W?W?W?W (W *W sosososojfVVfV?hj;0J?j?hj;0J?U?hj;?hj;o(?hJd?j?hJd Uh,?h?u aJ?h,?hJ aJ?o(?

44、h,?hJ 5?aJ?o(?j?h,hzl EH U?aJ?&?jz?D h,hzl KH U?V?aJ?o(?h,hzl aJ?o(?j h,hzl U?aJ?j?h,hzl EH U?aJ?&?ju?D h,hzl KH U?V?aJ?o(?h,hzl aJ?!zV|V V V V V?W?W?W?W?W :W W W BW DW?$a$gd,?$?hhhha$gdj?hhhhgdj?&#$?gd/4?gd?=?$?a$?gd?=?*W 6W 8W :W W W BW DW h,?h?u aJ?hJd?hj;?hj;o(?j_?hj;U?hj;0J?j?hj;0J?U?hj;0J?mH?n

45、H?u?g7/#hH 4THixD$VCJuud0*?R+bBE(i19v5wcA%?B)bLo8KnXU6l39cb,bl+cl n+?nWA?%e$N-(nCL,Kso.l/?/On_z%OMsB/4?P&PnRYq-1-pA#txppoACTl*()-S&3NpbUV.d i-eiO8k(O%|?8/+9F)?%r:pE-j.j3VTwY!dDZkkT(sHT;B8R-8BPS5MZj9pNs9?dOpbgh?fNQLeZFyLCLy?A,?glpp6&-8w?p%k8wq?R?B(,Y?vBy.uYL5AwP#X!zM8Q&wpb?ZY8KqQ-qv?*8E?8;?N Zy|pV=g?

46、-8?#6-l3A3Dfk-Ehl?81=|i=qA9y 4vG?/|wh;)IGFw?(84Up.0%i#bwOq4GG o_5q8Zp-6FwhH(?R-|?ltf2-,m2ys8m-r;-:-:a%kN(16ci%-ynbCqS8-?i Q-y-%u/lx?Gj0JG(mx|exXjXfQ Ig6c3xkaje17*i?5-R6VO0G,/l?0r?pMFX PV6MbcL|?y-fq-Sfsao:oqE6-m7d&qV9-,K7xb.Nq9q Sw-_w_wcLy_3D!k3XCmMsguN0|_um_zY9%c?.ssU-O_ww?l?=;?X?t2x?zt*p*;NZKb=?j,-

47、y?k,3&Yo.A%)q+x9217ooo1_ K49E%GcED5lVf o?inwc hVFC(yf9+#o2LALvMmaL&AC?LE70?r9 vQ9_o(z?4xc1?a+#d)t6c -Ql+t%FFW6-lWri)|*?-3xdYOfXa6SPh*9-_V?E7F1B8?0-?gsAP=Xl4mI&?nfD%h+b_)Ki-g?KB%f?%,p?v%Pl)=xn3Y?G?xfy _?/i?KB.rbh?:/q(-a7glQciyz?yV?Ye8+uvq&?;IT=,M?8?g=X=?f=H=+Z2U?1rw1W|n WWf+=+Q#eG-7?#A-s?8?LC?h?t16no

48、|Mx?vtcom1MpDs$Ci-lwj&e;6 dw m7s2:r|6vk&f SE8?-o0o-o?;o?m$-2jdW;U2;3L,om0Lo3oTU*olorw?x64k(o9$o_r2a$o(h(c5N,xUq636G0qGx?zO2qO1M|(WdW:-g?-sS ssK-n x-?D-DngDf5|O6?g1?C0?L|y?e-u)?3?rYL5Ku7hpt*hk=?2r2HhJ.H-Jg7AU HFQ4h3$6z2?.?J+tBWE&pi&Mrd t 6qpw4l_P?J)nQ;q%j!vq8 IKv39j!:)pGp.)Zp9JSPlr9&%g9fM.j8rQK7,J#r?

49、B?NpE?BD=QKQ=QC:-GiPO2 49j!?d99?zNpT Ax-8pN 8pb=MN+8iZiSx4pN eZFyTC7p:pbGjp.v78YLFwD;E!c Ep.p,9-_?h)_?N zms?jX k)I4s08a?B8k8izVpQ4?!_?JqXW l9GzIqi:mvG|yu:QYz0K=-Vwe Ca%|A8sg-$l7n-qINgJTvm:y,T7?:GExq!?|W,O9O*?J,49W_%j?|8B7+vGGsixLx4?h?$F?87S zF-?N_:muuX?w L_B9 w|/:9 9 n p8K y.?g25j%TGTe,?g?e;q|KbyPg?

50、g Oay;I%fAY_j/W4Rk+k8E9m-?q=_uI?UC(V5fg?at?-GZ(%?lP X?8?og=d?W6NlnK=s=S:*PD-C;4$?Y.w-1FymA&rWz-%C&8V3Xs-|,vu%C*?w3H2WX?k1 BSw33=gY,OoT!3XCmCPsguN0B_um_df+GfX=GzG+(;7fsq?z%v*Wz?$XTj+vXn?aEK1Q2-gN3,CE1uWpb#7vkVhz!M?jk8?kF/KJE-:?mvYrJgrVtdD98hg+!g 5Eau8/1Y1%q2I?m XAy-e;%pF?KNy 1P-fM%fyIfb%p%X/5yFl=-et5

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