英文英语数学题小学初中1

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英数第一周周一1.Thesumofthefirst4digitsonmyticketStubequalsthesumofthelast3digits.Myticketstubmumbercouldbe()A.4375891B.4526819C.4503219D.60739152.Inasquare,theratiooftheperimetertothelengthofasideis()3.Threecongruentcirclesaretangentasshown.Ifthetrianglehasaperimeterof30,whatistheareaofeachcircle?(答案保留π)4.Anequilateraltrianglesharesasidewithanisoscelesrighttriangleasshown.WhatistheangleABC?5.Whichofthefollowingfigureshasanoddnumberofsides?A.rhombusB.trapezoidC.pentagonD.hexagon6.Ifallanglesofatriangleareperfectsquares,itssmallestangleis().A.4°B.9°C.16°D.36°7.Theproduct2×2×2×3×3×3×4×4×4equals()A.28×33B.42×63C.63×82D.24×1238.Myclasswaslineduponthegymfloorin9rows,with4studentsineachrow.Ifourcoachrearrangedussothatthenumberofrowswasthesameasthenumberofstudentsineachrow,howmanyrowswerethereafterwewererearranged?()9.Howmanynumbersgreaterthan1andlessthan500aremultiplesof2butnot5?()10.Theleastcommonmultipleof51and117is()A.1B.117×3C.117×17D.117×51答案:1.C2.4:13.25π4.105°5.C6.C7.C8.69.20010.C

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