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1、一、分数的大小1、用分数表示各图中的阴影部分，并比较大小。（）（）（）（）（）（）（）（）（）（）（）（）（）（）（）（）2.比较下面分数的大小：3878101281269491623132369493.判断题：>（）1815<（）3133>1（）4.比较下列各组分数的大小developmentoffreezingplansandemergencyprecautions.3,night-timesettingthefull-timeattendanttoensuresomeoneondutyandondutydayandnightrecording,whilesetting
2、theWeatherman,responsiblelistenstoandpublishedontheweatherconditions.4,shouldcompletetheconstructionofthewinterrainyseasonShi...Hasnotfinishedfillingthepitcoveredwithaponcho,shouldbedrainedbeforethenextfillcleanwatercontentmeettherequirementsbeforeconstructionbegan.5,higherinthewinterrain,
3、priortoconstruction,priorityprojectareas,andbuiltasimplewastewaterfacilities,inordertoensurenormalconstruction.The12thchapter,resourcesplanningandadvancement,introductionofnewtechnology,newtechnology,newequipment,newmaterialmeasuresinordertoensurethesurvivalofseedlingsplanted,intheplanting
4、processexceptinstrictaccordancewiththetenderspecifiedplantingmethodsandtechnicalmeasures,theapplicationofnewtechnologytoensurequality:1,theuseofsomenewscientificachievementsandimprovesurvival.(1)ABT-3rootingpowder.ThiskindofrootingpowderforEvergreenconiferoustreestakerootandvaluablespecies
5、offastrooting,improvethesurvivalrateisobvious.(2)KD-1Superabsorbentpolymers.Insuranceagentcanenhancesoilwaterstorage,waterretentionandimprovesurvival.(3)theuseofpuffingchickenmanure.Hightemperatureexpansion47 和 和 和 和5.先通分再比较分数大小和和和6.比较大小。1○2.5○○1.1○0.87
6、○○0.65○小结：1、分母相同的分数，分子越（），这个分数越（）2、分子相同的分数，分母越（），分数反而越（）。3、分子分母都不相同，先通分，再比较。二、同分母分数加减法1、连线+21+1+1+2developmentoffreezingplansandemergencyprecautions.3,night-timesettingthefull-timeattendanttoensuresomeoneondutyandondutydayandnightrecording,whilesettingtheWeatherman,responsiblelistenstoandp
7、ublishedontheweatherconditions.4,shouldcompletetheconstructionofthewinterrainyseasonShi...Hasnotfinishedfillingthepitcoveredwithaponcho,shouldbedrainedbeforethenextfillcleanwatercontentmeettherequirementsbeforeconstructionbegan.5,higherinthewinterrain,priortoc
