八年级上学期关于声现象的物理题越多越好Thank you

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/30 05:38:21
xZ[Sɒ+<Ήh#.>K'ۉ ٘`vb&$HIXH+z8dVU俰_VVWwO,a2e6ө[+v, %vaYoͲI:e`ǽ]G{2_=mV<׳~)\:N9ta+&#؞ְ*9~-d)_SKL^rB-x>t܋K^[>iG62U+'Nɖ U[-܃sqقx~ܓ vMn"~v尿9lܥiǷQ;4zc(c>n-b1,((F'v减2brM谝ؗI (e8@9badjrr,u$a{]^|LE6^a 2|+8bqw1ޖ#"eb-HS<s/"z2K!`"2ǥ?=82,#DR\YakvrosQT9Cx 9 =(%Hgm&!b H\0C1 Yn w:سG\u4#†˝{ԲLe\V ZRw @-=SsfWF8!p|qI~首Df#cVA Q:'WaR b"l5295.𔲇I;20Q'&qp#;|,+-N!#mbjw`QED̨Vt_h66HccFmp>1MB<l ?G|޽ ;e*n6 ,N֏Oy)DQ9$w;\##9Ķ7&Mς^(eYڴ=6CȘgwevR Q=8_"9DLI %f%e``>@kxk{n5g2&p)b'.ssAxH |Z #7 q αW&Ͽ"[m9qӕ氕yųۓ*3AA]3u g{Ѥ\=EK Dwfy]^*ħR؂ Jta0cFvRq6?N3v-y0=K[$N 8qețUޗk,qw*Wǎ _dv.ױ&ڢA_m4ZN7#'Y*x 7VZއC1Fty1=eO-h07|nƞY`E/(})Mõ%d #j{s7{.9BBQ`MGt܎?\5lg0|xch! ,\[F Nu9[_da^01XR4QILK(I7 17RbׯQh1ȦLA,7 e]ȫyk"ޅ`۠oxDlIN\Gg%Fnqvɤd n8ֈ3T!eYxG3gY)ٰlަjg΃g/\Ƀ[2צx? >"T  Ӈ$W`tz[P}~&wTE zwRQPkjP|Efm~Mܛ<{;7O=BgA@(yn/ `wjrJ@1"#d;75(:}Q~"2g?;d~y,Cwa@!v{[yUK uXN[KgYWEU%a\ oP #/m8NEfId){{{ץz5]ounTWKUQ|ע'2lSZl?;msBW햛J#bD\T5,JFeOB_Jdt&)Xu[b5 I+fž_ok+E7y*XpؑIx+gRՁynhΞx9jbN/4B0e`l ^ԼN<0&e+pکq8zM;_ʺj'R]G!SIJ >߁=s![Pwa񶬥L.-٦ KBf*mlSTG)<)e̅uw9 JP|U5pE#M/`+09#j5}KGQ5`Y 459.}m`P~)tƬi\tW9Y%7fňkAؿ`j~ Z"-D2T2ܗ.3f| XGt EG3J}?yzGJI*SoEߠY7,y)%8Sx;lyѤWn1m ~ҰZW\r/_!kd VLwWd %̉5tӍ :2`ELdD:Q_ֳӱ kD46D7{Yj!dB8CꓐymFnjQg=Nyˀqp~W~YOuco0H} 敻EÚɵh6D/ gdJٙݚ&p;?ֈrPm=:b[.2"R$#?Ƅ3}g d=%$i,= Gj8#k*Þo3OoKSyLwy ǿI;wX.Eμb9O,/xyffu?(cqrU3Zs0 .=qJDS <Ҩ>(hlfTWḃ!14R+4u[7UJJЇZaTb]"Og?h1