三年级上册数学估算练习200题及答案

第第页三年级上册数学估算练习200题及答案估计下列各式的值91×7≈49×4≈299×9≈101×4≈398×5≈698×3≈804×7≈391×6≈405×5≈699×5≈398×3≈705×3≈61×8≈206×7≈392×6≈196×4≈597×4≈403×9≈66×5≈408×7≈98×9≈607×2≈203×8≈509×7≈496×2≈892×4≈701×2≈84×4≈53×2≈592×7≈704×5≈409×9≈407×7≈103×6≈502×7≈693×9≈291×5≈798×9≈597×7≈798×2≈897×2≈304×8≈294×8≈902×9≈794×6≈697×2≈68×4≈695×2≈402×2≈506×5≈74×6≈909×9≈891×3≈801×3≈395×7≈199×2≈493×7≈393×2≈593×6≈602×3≈67×7≈291×2≈897×3≈597×3≈908×6≈93×4≈64×3≈78×8≈592×8≈594×2≈494×7≈405×7≈194×8≈59×6≈898×4≈201×9≈503×3≈603×7≈407×4≈209×4≈202×9≈47×8≈192×8≈295×8≈196×3≈702×9≈192×2≈492×9≈503×9≈66×2≈609×5≈606×2≈66×4≈86×3≈61×9≈895×3≈908×3≈49×2≈504×2≈66×7≈比较大小，将>、<、＝填入◯内。410×3◯1200592×5◯3000688×8◯5600519×7◯3500392×8◯3200102×2◯200790×7◯5600494×6◯3000495×7◯3500315×6◯1800612×9◯5400891×7◯6300190×8◯160062×8◯480819×6◯4800186×3◯60077×5◯400609×9◯540056×8◯480486×4◯2000205×2◯400687×6◯420093×4◯360703×2◯1400714×9◯6300907×5◯4500197×3◯600684×7◯4900293×2◯600806×7◯5600904×8◯7200695×9◯6300784×8◯6400281×6◯180097×3◯300399×6◯2400587×2◯1200419×7◯2800413×5◯2000198×5◯1000694×3◯2100395×7◯2800917×3◯2700505×6◯3000684×9◯630063×6◯360919×3◯270070×7◯490706×8◯5600891×2◯1800507×4◯2000601×6◯3600812×2◯1600290×7◯2100813×5◯4000893×9◯8100281×8◯240059×6◯36097×7◯700715×4◯2800508×3◯1500701×3◯2100610×8◯4800285×8◯2400784×7◯5600791×4◯3200287×3◯900882×3◯2700888×6◯5400204×7◯1400717×4◯2800609×8◯4800901×9◯8100885×9◯8100497×5◯2500900×3◯2700808×4◯3200389×2◯800619×7◯4200286×7◯210081×7◯560505×9◯4500591×4◯240066×5◯350316×2◯600890×5◯4500393×7◯2800703×9◯6300494×4◯2000102×7◯700195×4◯800613×4◯2400282×2◯600701×8◯5600688×3◯210064×3◯180481×5◯2500916×2◯1800190×6◯1200786×5◯4000

三年级上册数学估算练习200题答案6302002700400200021005600240020003500120021004801400240080024003600350280090012001600350010003600140032010042003500360028006003500630015007200420016001800240024008100480014002801400800250042081002700240028004003500800360018004906002700180054003601806404800120035002800160036036001800150042001600800180040016002400600630040045004500140300012