小升初英文奥数题1{整理后}.doc

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1、小升初英文奥数题1　　1、In2004,16JunefallsonaWednesday.Onwhatdayoftheweekwill16Junefallin2010?　　2、Ifhalfofanumberis30,thenthree-quartersofthatnumberis____.　　3、Thesumofthedigitsofthefollowingproduct999×555　　4、Threepositiveintegershaveasumof28.Thegreatestpossibleproducttha

2、ttheseintegerscanhaveis_____.　　5、Inwhatfollows,□andΔaredifferentnumbers.When503isdividedby□theremainderis20.When503isdividedbyΔtheremainderis20.When493isdividedby□xΔtheremainderis_____.　　6、Alady,herbrother,hersonandherdaughter(allrelatedbybirth)playedvolleybal

3、l.Theworstplayer'stwin(whoisoneofthefourplayers)andthebestplayerareofoppositesex.Theworstplayerandthebestplayerareofthesameage.Whocannotbetheworstplayer(s)?　　A)brotheronly　　B)daughteronly　　C)sonanddaughteronly　　D)ladyanddaughteronly　　E)ladyonly　　7、Ifyoucontinu

4、ethegivennumberpattern,inwhatrowandinwhatpositioninthatrowwillthenumber320be?　　1--------------row1　　23--------------row2　　456--------------row3　　78910--------------row4　　Theanswersaregivenintheorderofrow;position.　　参考答案：　　1、Wednesday2、453、27（求数位上上的数字之和）4、28=9+

5、9+10，因此答案为810　　5、503-20=483483=3×7×23＝21×23，因此□xΔ＝483，因此此题余数是10.6、D7、25，202009小升初英文奥数题[2]1、Didyouknow?Inthedecimalnumbersystem(base10)tendifferentdigits,0to9,areusedtowriteallthenumbers.Inthebinarynumbersystem(base2)twodifferentdigitsareused,i.e.0and1.　　Whicho

6、neofthefollowingnumbersisnotavalidnumberintheoctalnumbersystem(base8)?A)128B)127C)126D)125E)124　　2、Thenumberofdiagonalsthatcanbedrawninaregularpolygonwithtwentysides(icosagon)is_____.　3、Ifaandbareintegers,10Ä3=1,152Ä7=3,andthen379Ä6isequalto_____.　　4、Twonumber

7、sareintheratio2:3.When4isaddedtoeachnumbertheratiochangesto5:7.Thesumofthetwooriginalnumbersis____.　　5、ThegreatestnumberofMondayswhichcanoccurin45consecutivedaysis____　　6、Saulplaysavideogameinwhichhescores4forahitandlost6foramiss.After20roundshisscoreis30.Then

8、umberoftimeshehasmissedis____.　　7、ThreegirlsA,BandCrunina100mrace.WhenAfinishes,Bis10mbehindAandwhenBfinishesCis20mbehindB.HowfarinmetreswasCfromAwhenAfinished?(Let’sassumealltheat