光每秒行几千米快,急.

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/08 05:30:41
x\Yodq+b@c[=MrH$g`  !ȯKo4n3${r |UuMC2M{N:ujN]}/T,eW{Q}]tꗪs:}_|?$Y{F]g磹DX=M֢ pOkۚ!\`RQ]c5[{}xc*%t.$F^JuiRk#xWSor?G9F{Xoʈ}o;"YpkwHoo2U"TI@lϳvRd3ΡrOJ(s[TsRnVҟy&fMAsS/لA}bPFDYuZ0Ak  oTzpGCY0m¹j8@1 A 8ru8&]SMT<~4τ\6"'' HH9 bj.AXTf쿜&W஼5֊TjvȂC س70Sb "o*P!1ؗL+,!ŮMUD >e˲mnݠqAVc@p,lMؐȫWsgcc0B@UaSX{LH2E*s:Wq2tH(?&v:lǼ(H`≷{HJ.oeE| H8]bk4d"y nNP$q *'uHhz Qg" ]kME P)Yp|p?IN峻BD$`ݲ7o1,0|,4 W"S Lמ +0#sF8v)1Bp_X*h?W2.D/{ :ss+PH3HeToɮ/@n.b&2&rF:tSHcBʄ EɉpM -ʠ_[U:QWvn2UYT+ H|#真 w+5]'3Z99)J@T!RmOxnX! Eo63Ĩ(Xtsuջ72t2snYG789|NpxH+{~M[V21h$#rg[xpf]4Nen?+J)&K*L0*ӡafbGmNP:L{cr;.%#OӬ8gr L)+qS~^tCIJoiA ƻqX25@L&6(5K]SP-EHU9h$_QDeBU,9MɹDafǨ6 U1.C*cTk;KqXkU+s;%|o#:<00!܅0s!LŷKJYFT إ`4-Hx pGvl0ӹx Blt;cQ*|9 Vk] Uom%rDCp EPù 03n[*z:h!p3$4NT͙@Cȧ7_}NNM"S=<- Px}>s8@t >薂.$pmyEu"B:hXNFURI"Cd!RO<3)^{*ߕ0(ydb${ 'TM5EAI=Mg$/"3̪Z9pZdJ~ 0Ɩ|˯3 | pq^܇]Z<`dq wQ(kk>"PPKtۄ{9d9q !;S$SF~Y:qk/Mf1w\4SVӁIf#(-DtYG;lPvJ/ tB(%-ՋxeO26aj9BcB ӓ eKPh#/ Ԁßr95.0-Sy[8X"W6ϟD [{g\1jqlQU0t,NhQ=X'mjir IFSAhԌ{5J7X ; Ɲ/)㐅~@`30Ù#cȗ0~tr>u]_;͎FsvaͅCpxZvn&~3' SlTE`)\OGjڍ2RH|eC'x$ʉ.d]qAxxNʨڤ88*A"\.y>n? Zl//׈RVɢgQKMs$4ԀyT dD~1 /)</|{g.35Ζ_J@:1aFeD}’/F\g(@[1 h\lMJI-&gb|aO:k(}Å.eAs3ӂ1⥊}yk9l6xMԅ>#KeMXJ]˪cG}.aQYq:_rP|H;(/yVLՍPSaB{ [,9pOstQ3pj6TŲF:8WeKLd@NlҤasdxr&:Ƕ!.'qRa y_5@U1*[}2w:E-:P^2w$VhLҚ!#dV$r[&6K%?]=r[ 6ۋqmƯEgI{uѿkiSuZYZ_>ɪs>&B5X-~hm^&Kg2)+S1UVmn91J#,ͩ(AȼyCrJHֲ$lDaeexGt˨N;+61^n{=+ uC8r<C>?d~ͣS{Gҭ*RǙs\V.ɩ*GÑa(60u 28$q΋*{jiƒg:Ho)sd}8Ɲ]<ȍ}@;;RlDr%2%]znoF$jora8rSΐu9B/_xg&߰KҞ{Iώ OBhSPju ƐAF*OiL'F>v{B8 z@ڏBzro]oH5P.JO.125cda4Ȝ.X$t噣/C$ $yJ^nST1+zKn<5? N0qoD[@Cԟ+=饖|kavu;G{_;`74oszCjAgӐ1ɸJe#@ 1kR}Ft/'.'23B!@/_]8߆ A*9U aw@"2Ȏ ? <&,B4~" OOҕTœEK+F,*r;*z-ܫ&a,W,ZԣIAŶdUXݔE:QGBiQeeV}(<ݴfǩrKuZ> y1'1,Aq0QVS%Em}MEG\-;U! N&=\ IdžmC>ٸVy^̕,8ɟ4xA4}<ș,*$DFR nN/yd*$W>gvfr @`g #}dn\ -](-خ&Z\47j'> uao}5ydxtA\=aBNqYZ()J>17nԁe&u4W㽍+nJNGtP=ts_ XNs53OUˮ '#aҨX;ѐG0wfEQO<_UR\/N$ԟݽNs&_wެ Z"[ˇ*zn1n^ g{]]\}"?K %giڵ_*Yq~'1VYa`('<8y^r(}~\Y[4}0yKDCQa,Mntp، UڭwG=#t|m 87