}ĿijУҵЇvِ7W(xu)ӛQِQِKɿͬһW(xu)Ҫ֪ԼܷMǰ3HҪ˽Լijɿ߀Ҫ˽@7W(xu)ɿģ
A.(sh)
B.
C.ƽ(sh)
D.λ(sh)
ĿД(sh)W(xu) Դ }ͣ
}ĿD1һ¿ˮˮʢˮrD2ʾλ÷ã@ӿԿɱɃD2wֵijɈD3˕rcˮƽֱĊAǞ35߅ABCDԿΣyAB=10cmBC=8cm^cAAFCECEcF
1BAFĶȔ(sh)
2cAˮƽֱCEľxAFL_0.1cm
(sh)(j)sin350.5736cos350.8192tan350.7002
鿴𰸺ͽ>>
ʡ(lin)W(wng)`ͲϢeƽ_ | W(wng)кϢe^(q) | p_e^(q) | vʷ̓oxкϢe^(q) | ֙(qun)e^(q)
`ͲϢeԒ027-86699610 e]䣺58377363@163.com