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:2024/11/26 16:57:53
xZ[Sɒ+<Ήh#.>K'ۉ ٘`vb&$H IXH+z8dVU俰_VVWwO,a2e6ө[+v,%vaYoͲI:e`ǽ]G{2_=mV<׳~)\:N9ta+؞ְ*9~-d)_SKL^rB-x>t܋K^[>iG62U+'Nɖ
U[-܃sqقx~ܓ
vMn"~v尿9lܥiǷQ;4zc(c>n-b1,((F'v减2brM谝ؗI(e8@9badjrr,u$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#cVAQ:'WaR
b"l5295 .I;20Q'&qp#;|,+-N!#mbjw`QED̨Vt_h66HccF mp>1MB<l?G|
;e*n6
,N֏Oy)DQ9$w;\##9Ķ7&Mς^(eYڴ=6CȘgwevR
Q =8_"9DLI%f%e``>@kxk{n5g2&p)b'.ssAxH |Z #7
q
αW&Ͽ"[m9qӕ氕yųۓ*3AA]3ug{Ѥ\=EK
Dwfy]^*ħR
Jta0cFvRq6?N3v-y0=K[$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)ٰlަjgg/\Ƀ[2צx? >"TӇ$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[b5I+f_ok+E7y*XpؑIx+gRՁynhΞx9jbN/4B0e`l ^ԼN<0&e+pکq8 zM;_ʺj'R]G!SIJ >߁=s![PwaL.-٦ KBf*mlSTG)<)e̅uw9
JP|U5pE#M/` +09#j5}KGQ5`Y459.}m`P~)tƬi\tW9Y%7fňkAؿ`j~