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1. _ʿGĹǹ_Ŀ105˄Ŀ100˺_ֱʿǺ;GĿ4(g)(wn)@ЩlƳЩĿ x헰ķNĿʿǵĂ(g)GĂ(g)_ʿǵĿͰ(\\Ĝ\\) (g)Ҋ(jin)ӋJʿǵĂ(g)GĂ(g)_ʿǵĿӋ(li)ķNĿͿ϶@}DzǑԓ(wn)ƳЩĿ?ָ!!
2.؈ץ؈10؈5ஔ9؈2ĕr(sh)g3Ո(wn)؈ܲҪײ? A, B 60 C 90 Dwo(w)Ӌ
˳ֲͬҊ(jin)ԼҲָ̣
⣺O؈ÿһľxXٶȞV1;ÿһľxYٶȞV2tУ(1)5X=9Y(2)2X/V1=3Y/V2(1)(2)õV1/V2=6/5(3)O؈r(sh)õĕr(sh)gT(mn)^(gu)ľxStS=V1T=V2T+10X (4),(3)(4)ɵT=60X/V1,(4)УS=60X؈Ҫ60ſӛÉͲf(shu)60M(jn)ȥ㲻ҿX(ju)Ǻ˕r(sh)g(wn)}ҶӑՓһ
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O؈Xt}У
X/5=(18+3X/2)/9Ҫf(shu)ǣ18(li)Դڣ؈x10D@·ҪIJ18X=60
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