人教版三年级上册数学估算练习200题及答案

第第页人教版三年级上册数学估算练习200题及答案估计下列各式的值195×8≈48×6≈101×6≈502×6≈199×8≈58×2≈909×3≈52×6≈77×6≈63×2≈406×5≈705×9≈497×9≈708×3≈602×2≈895×3≈393×4≈505×6≈696×2≈808×9≈698×9≈895×4≈90×2≈805×9≈507×8≈905×3≈46×5≈61×3≈908×7≈408×6≈799×7≈902×6≈592×6≈294×6≈296×3≈693×9≈67×7≈408×9≈591×9≈302×2≈291×7≈99×8≈804×5≈198×6≈297×5≈191×3≈73×4≈402×7≈898×8≈292×5≈301×4≈64×2≈301×7≈396×6≈395×8≈92×2≈898×6≈297×3≈303×3≈607×6≈705×4≈707×8≈51×8≈506×7≈89×4≈61×9≈707×9≈599×9≈91×9≈692×3≈64×5≈49×3≈302×7≈905×6≈903×4≈76×8≈694×9≈897×9≈68×4≈906×6≈407×2≈74×5≈798×9≈201×3≈51×5≈82×8≈498×5≈497×3≈97×5≈692×4≈901×4≈897×4≈607×5≈197×2≈908×8≈704×9≈86×7≈59×2≈67×3≈295×4≈比较大小，将>、<、＝填入◯内。787×3◯2400381×8◯3200698×5◯3500505×5◯2500192×7◯1400783×4◯3200801×6◯4800705×2◯1400496×5◯2500417×5◯2000288×5◯1500685×3◯2100785×4◯3200907×2◯1800815×4◯3200688×8◯5600290×9◯2700718×2◯1400216×3◯600905×3◯2700609×7◯4200502×3◯1500500×8◯4000692×5◯3500407×5◯2000388×8◯3200215×7◯1400615×9◯5400615×5◯3000799×7◯5600919×3◯2700515×6◯3000608×9◯5400792×5◯4000815×2◯160050×8◯400712×6◯4200101×7◯700796×3◯2400204×3◯600898×9◯8100807×6◯4800189×8◯1600903×2◯1800102×6◯60073×8◯560485×2◯1000615×3◯1800281×7◯2100582×5◯3000794×5◯400077×6◯48082×7◯560815×8◯6400613×6◯3600690×9◯6300104×7◯700595×9◯540094×8◯720413×2◯800910×4◯3600392×8◯320049×4◯200800×2◯1600199×6◯120070×6◯420307×4◯1200403×5◯2000389×3◯120083×9◯72087×3◯270806×2◯1600313×6◯1800281×8◯2400613×7◯4200590×7◯4200784×6◯4800718×8◯5600814×6◯4800781×4◯3200788×6◯4800605×4◯2400708×5◯3500192×4◯80079×2◯160394×9◯3600514×5◯2500318×7◯2100486×4◯2000798×4◯3200695×6◯4200695×2◯1400483×8◯4000890×7◯630047×3◯15097×8◯80054×3◯150215×9◯1800787×5◯4000200×7◯1400

人教版三年级上册数学估算练习200题答案16003006003000160012027003004801202000630045002100120027001600300014007200630036001807200400027002501806300240056005400360018009006300490360054006002100800400012001500600280280072001500120012021002400320018054009009003600280056004003500360540630054008102100300150210054003600640630081002805400800350720060025064025001500500280036003600