heremaindertoCharityB.HowmuchdidBreceive(得到到)?90021.Adrycleanercharges(收费)$2forupto3poundsinweight(重量)ofclothes,and30centsperpoundorpartthereofuptoamaximumweightof10poundsperload.Whatisthecostindollarsofcleaningsixandahalfpoundsofclothes?6.522.Thediameter(圆)ofcircleAisonequarterthediameterofcircleB.Thearea(面积)ofcircleBishowmanytimesgreaterthantheareaofcircleA?1623.Threeapplesandfiveorangescost85cents,andfiveapplesandthreeorangescost83cents.Howmuchwillitcosttobuyoneappleandoneorange?2124.Abagcontains(含有)2red,5blueand8whitebeads.Ifonebeadisdrawn(拿出出)fromthebagwhatistheprobability(可能性)thatitisredorwhite?2/325.Theshapeaboveistobecutoutandfoldedalongthedottedlinestoformacubicdie.DotsaretobeaddedtofacesA,BandCsothatthenumbersofdotsonoppositefacesaddupto7.HowmanydotsshouldappearonfaceA?2第10页/共10页