}Ŀij@nСM21ͬW(xu)±
ߣcm | 170 | 176 | 178 | 182 | 184 |
˔(sh) | 4 | 6 | 5 | 4 | 2 |
tԓ@nСM21ͬW(xu)ߵı(sh)λ(sh)քeǣ
A. 176176 B. 176177 C. 176178 D. 184178
ĿД(sh)W(xu) Դ }ͣ
}ĿijУ7(g)ͬW(xu)eOԼ㻨XI(xin)Ĕ(sh)~քeǣλԪ5002005003005002501350@M(sh)(j)ı(sh)λ(sh)քeǣ
A. 500200 B. 500500 C. 500300 D. 1350500
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ĿД(sh)W(xu) Դ }ͣ
}Ŀijؾ(du)xΡ֡M(jn)ِÿ10ɿƽ(sh)9.8h(hun)քeS2=0.63S2=0.51S2=0.42S2=0.45tгɿ(wn)ǣ
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