}Ŀij@21ͬW(xu)±
cm | 180 | 186 | 188 | 192 | 208 |
˔(sh)(g) | 4 | 6 | 5 | 4 | 2 |
tԓ@21ͬW(xu)ߵı(sh)λ(sh)քeǣλcm
A. 186186 B. 186187 C. 186188 D. 208188
ĿД(sh)W(xu) (li)Դ }ͣ
}ĿóҎ(gu),N:
(1)֪εă߅A,Ҫ,D(j)ǡ____;
(2)֪εăɽǼA߅,Ҫ,D(j)ǡ____;
(3)֪ε߅,Ҫ,D(j)ǡ____.
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ĿД(sh)W(xu) (li)Դ }ͣ
}Ŀcĕr(sh)飭7Сr(sh)(sh)ʾͬһr(sh)̱ȱĕr(sh)(sh),r(sh)g10214r(sh), ôr(sh)g
A10221r(sh) B1027r(sh)
C1025r(sh) D1017r(sh)
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ĿД(sh)W(xu) (li)Դ }ͣ
}Ŀ¼l(f)ĸʞ0()
A. \(yn)(dng)Tֻ1,а
B. ȡһ(g)픵(sh)x,|x|0
C. һ(g),ʹ߅L(zhng)քe8 cm,6 cm,2 cm
D. Sһö|(zh)ؾ(g)քe16c(din)(sh)w,һc(din)(sh)6
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ĿД(sh)W(xu) (li)Դ }ͣ
}ĿDij(sh)W(xu)dȤСMy(c)һØCDĸ߶ȣc(din)A̎y(c)ØCǞ30ȻADǰ10m_(d)Bc(din)B̎y(c)ØCǸ߶Ȟ60ABDc(din)ͬһֱϣՈ(qng)(j)Ĝy(c)(sh)(j)Ӌ(j)@Øĸ߶ȣ
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ĿД(sh)W(xu) (li)Դ }ͣ
}Ŀɗlƽֱlֱأ}}
A. ͬλ(ni)e(cu)Dz B. ͬλDzͬԃ(ni)ǻa(b)
C. (ni)e(cu)ͬԃ(ni)Dza(b) D. ͬλͬԃ(ni)ǻa(b)
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ĿД(sh)W(xu) (li)Դ }ͣ
}Ŀһ?jin)?/span>25x}(du)һ}4֣e(cu)һ10ijͬW(xu)ȫ25}70ô(du)}(sh)飨
A. 17 B. 18 C. 19 D. 20
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