AMC10物理大赛是日本小学语文大赛中的一项，是针对小学一年级及小学五年级中学生的物理测试，该大赛开始于2000年物理竞赛培训机构排名榜，分A赛和B赛，于每年的2月初和2月中召开，中学生可任选出席一项即可。不管是对院校申请还是今后在物理领域的发展都十分有利！这么接出来追随小编来看一下AMC10物理大赛真题以及官方解答吧：
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Asetofteamsheldaround-robininwhicheveryteameveryotherteamonce.Everyteamwongamesandlostgames;therewerenoties.Howmanysetsofthreeteamswerethereinwhichbeat,beat,andbeat
Thereareteams.Anyofthesetsofthreeteamsmustbeafork(inwhichoneteambeatboththe)oracycle:
Butweknowthateveryteambeatotherteams,soforeachattheheadofafork,thereareforand.thereareforks,andalltherestmustbe.
Thustheiswhichis.
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In,,,,andareonsides,,,and,solines,,,andareand.Whatistheratiooftheareaoftotheareaof?
1
Wedrawatomakeourwork:
thatisof.,theareaofis.Tofindtheareaof,wedraw,andfindtheareaoftheand.
Fromthis,weknowthat.Wealsoknowthattheoftheis,sinceandare,andtheofeachoftheis.Fromthis,weknowandareeachofthewayfromtoand,.Weknowthatthesearebothequalto.
Wefindtheareaofeachofthe,whichbothtobe,andtheareais.
Wefindthatisequalto.
Atthispoint,youcanandmoveonwithyourtest.
2(alotthan1)
First,likeinthefirst,splitthelargeinto6.Eachcanbesplitintothreerowsof.Thefirstrowwillhaveone,thethree,thethirdfive.Onceyouhavedrawntheselines,it'sjustaof.Therearesmallin,andsmallinthewhole.
Thus,theis.
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