人教版三年級(jí)上冊(cè)數(shù)學(xué)估算練習(xí)200題及答案

第第頁(yè)人教版三年級(jí)上冊(cè)數(shù)學(xué)估算練習(xí)200題及答案估計(jì)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≈比較大小，將>、<、＝填入?內(nèi)。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

人教版三年級(jí)上冊(cè)數(shù)學(xué)估算練習(xí)200題答案16003006003000160012027003004801202000630045002100120027001600300014007200630036001807200400027002501806300240056005400360018009006300490360054006002100800400012001500600280280072001500120012021002400320018054009009003600280056004003500360540630054008102100300150210054003600640630081002805400800350720060025064025001500500280036003600