}ĿijҵЇ(gu)(mng)vِ9W(xu)ӛQِQِKɿ(j)ͬ.еһW(xu)Ҫ֪ԼܷM(jn)ǰ5HҪ˽Լijɿ(j)߀Ҫ˽@9W(xu)ɿ(j)ģ .
A.(sh)
B.
C.ƽ(sh)
D.λ(sh)
ĿД(sh)W(xu) (li)Դ }ͣ
}Ŀ̈(chng)ijNƷԭr(ji)8۳Կɫ@20Ԫ֪@NƷM(jn)r(ji)140Ԫô@NƷԭr(ji)ǣ
A. 160Ԫ B. 180Ԫ C. 200Ԫ D. 220Ԫ
鿴𰸺ͽ>>
ĿД(sh)W(xu) (li)Դ }ͣ
}ĿDABCDAB=4AD=3M߅CDһc(din)ADMֱAM(du)õANM
1(dng)ANƽ֡MABr(sh)DML(zhng)
2BBN(dng)DM=1r(sh)ABNe
3(dng)侀BNCDc(din)Fr(sh)DFֵ
鿴𰸺ͽ>>
ĿД(sh)W(xu) (li)Դ }ͣ
}ĿھABCDAD=2AB=4EADc(din)һKǰֱc(din)cc(din)Eغǰ@c(din)ED(zhun)ǰăֱ߅քeABBCL(zhng)c(din)MNO(sh)AEM=0㣼90㣩oĂ(g)Y(ji)Փ
AM=CNڡAME=BNEBNAM=2SEMN=
Y(ji)Փ_Ă(g)(sh)ǣ
A1 B2 C3 D4
鿴𰸺ͽ>>
ĿД(sh)W(xu) (li)Դ }ͣ
}ĿDABCDcEFGHČ(du)Ǿc(din)OEGBCۯBʹc(din)Ccc(din)OغϣۺMNǡ^(gu)c(din)GAB=EF=2H=120tDNL(zhng)飨
A B
C
D
鿴𰸺ͽ>>
ĿД(sh)W(xu) (li)Դ }ͣ
}ĿһMW(xu)ǣλף1.601.651.591.701.721.701.751.601.701.68t@MW(xu)ߔ(sh)(j)ĘO( ).
A.2
B.0.16
C.0.14
D.0
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