七年级上册的数学题有若干个数,第一个数记为a1,第二个数记为a2,第三个数记为a3.第n个数记为an,a1=二分之一,从第二个数起都等于“1与他们前面的那个数的差的倒数.”(1)若计算:a2=________,a3=

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/02 20:37:23
x\rE~]*Uun!`hi%bbawڌgCؖd-_fl|蝻_b +󃅛ݵ/9ڬi mwn,tJ3s~SE|kɶh;]_|_9gq];<_ڹ9h9W3]wc4'Wښ>ܽ޿֥lnlk>}'ˀqo }4^}Ökȟ{{Kw!(dާW&V'/6(UC&8k}{3}rD%єCj&%[lvCVD!¶6AYF($m'ڤ`ՠwFmC-VT>:P\z+O'XCa 7%@6סGW{__ߙS5Y.}V,L!xHi TGhw.9Wn",6a*|壅IϿRsv.ޘ,/_wL ߚc$,pKb%F:$j(#15c8D!Ǔ=,R.5d4h8BBy qkqb6gu=DoPF"kNBAi%8;@Xd{D\YD?,k i̍Vqq'vvBvZBD*Ҍ;_0P_aL:,I;g{:-{GZ:s{"RiI+ӛNhh:+,= }YaТt4Z^f}qnbZ[z/QXu4AH+O]+^htaQr w٣= 9lKۭ*eG vbG6**pܻz!FdWp RҜrIc.s+2;H> 'jaF1';_n(؝"x\>d{g9U) dU1;Zi%W8#Di1ҜS G=T -'L]]9l(X#p Xϩ VP&%g˅ux5&ސ,d]i$5*#zA'(b &܍Z]ԭ^!d 5tـ .rQ1@ufěb/;i^QiZ&X(&tUPq2N\jueMlERļxH~DfW $$܉Ю1zDW I倴hSXmP)Br) .m(W\z8$.2W(j:9&RDUrWzE\&P\cB^A n@j DKi nDJ0/iJo)^D˨t[{L$mh\Sմ WA%%N$f7",P= tt&rXשvqG"nZ"ޝ#IB; EjhNIH֤P݉79m -"": %[Ph-tNsK"Q}KMT!g_#(M%F)ƙ(XZQȨۆ RڗvBh\i vqs#yiM \Hv*#LxĸWF2mC6CviZ*d "mXe "DJ9#D_^{f$& JE㸚LT% XPĒބ{mwRH̀IcY&wFGnVzVET͡h0+J;0ɲj eб] ;*it(P8 tTdq)[n$iYVm;4('uB\H"!Wơe?mͅO[!=:k# Ns3f #ib;Bg44kU:en奥9ߗQy& `ݵrdewc{2{dj=A}0ih 2M`̆bLBIy6)Y[jj+=^NVfB2bxFԷ qo4 JTJzzXɗ^ j0jVe˚_"m4 qTxȏY4<OH5P#K:@dL0b"o0 h0ybD((BdQA3/ɢETୄDLP'XmBÁd@$@O(D.j8z҄B:qri ݲɘfs@Y4\:aDpdzfyQno N%. " l:r8_CIt:Ha /E`'SWϊ!0v{U?Ξ^A$@h°,j ߑ g~%#}Ҟ^QDRY)wHW|uʔ,œ4IIC+$ X4ozS!¨ P,7PU ՕʀJE.]ȕ.g n](o흱UoFX/n E>מ/SWFMnP9w==xa[NIv㗫?ƴݵrk6rv2L:-2#j#Fz/F#*LHyF aO͙ga~{Ytc4oWMԱqyxwcwr;[ko~apzmr]w|yjhr|bw"ro"z],ϜF< 26P 3ObZo7XQ,1['n6\]ۢ/Fm8i*ܶ7xqwJ :rRyawcy\np:ۯ 3Ȫr—#ޕOmQ.N+g{wn=o| g_9kAT^0ʭ5?k@HZ,Nm S`4}}qBFg.aRΧToL]}2w%'s:E3;F<19q9úÿ}mU-#q8~olO|#ͼ՜y7%^WEw'^+O]yVYyrǟQܼgx %I$_/g%B#?蝇z/٤=z#RԒwxfwg~F} %,R7Xdʓ,Τgq٧g/~'w\/vS~͂"Q!ztCdqȱ/)+XnyT)繠gM&UTYc>u<ڧҎ=yg#'{/t/r>C:_GVTT9J;J-/*f0{,Y!v`;m;W|q Z :tW[_~!s/P[z]>g*3]B0JmO/fMҷESY6|pՅFXGerW _PiB:0#37j e,Pq#H_3+hs'j4Ձ4LěvxG+4$*EA!,NI}ݦ15B4v9- }{ݦu5Gf+Û#^R/Du!PE^~I4ø?p*TK|} P-ڰ㮥"x9> ib8 M5g]<6`jbZ"xax5i"%F -,╩/iԒ.@Š,h 03ťU4O/m 6̺kٛ 2L!!n0b8wR#Thۄu%tU7UdBJAkJM0N!fÆ|zËXE2#"FA$"f-ˑu Gΐ:0mE$hlFj($}~V>UIT$J#FOKO8H8LQH2^d2yWЪ~^ UZDϒyY#EZh"<2 t7IPy[9d6XيrD һ}A۩݇h^o~|b>ԛ4//Vnp-֫oڐ,hz!mwf{ a׾$ݠ:si`ͯs'V 6Jj2:a}=KELt7^1K&`| 0s-BL;">fvzP @yhҸȀGGdI=l(5gm!TW)1SoVoU7 (93Fnm_ڨ֯mZ#lVzKW= 6Rbjt _-$=j{RCտ}xcR's8gNƬ[<5|HN,w_ TD;VG9ί*-tV&2k|6|=#$3ڌ(M/WLHmTNjℬ.>/=\*ϜI1Y>W+i %34e:muh(#|#ۋ!wQ۫a\TT ٖ1 eű{6f]kG$v[!IdWZ|[r25 c2l#UvۿK8j9{WOpE]`@&sHfAV