人教版三年級(jí)上冊(cè)數(shù)學(xué)估算練習(xí)300題及答案

第第頁人教版三年級(jí)上冊(cè)數(shù)學(xué)估算練習(xí)300題及答案估計(jì)下列各式的值195×3≈293×6≈392×5≈504×5≈191×3≈99×8≈51×9≈72×5≈894×9≈707×5≈501×5≈594×2≈102×8≈801×2≈97×2≈82×5≈897×3≈396×3≈202×6≈78×8≈498×8≈891×4≈67×6≈395×6≈809×9≈793×7≈793×9≈84×6≈694×4≈901×8≈907×2≈76×5≈209×3≈595×9≈501×3≈208×6≈793×8≈77×9≈62×8≈797×8≈57×7≈801×7≈48×4≈598×3≈196×8≈66×2≈894×3≈198×2≈94×9≈594×7≈406×4≈303×9≈197×7≈302×6≈506×6≈391×9≈49×6≈56×5≈48×8≈491×3≈905×2≈492×4≈507×7≈74×8≈493×6≈307×7≈297×2≈402×2≈493×8≈808×8≈82×6≈291×9≈706×2≈294×5≈409×8≈49×8≈73×8≈592×2≈304×8≈204×3≈607×3≈394×9≈61×7≈795×6≈803×5≈506×5≈204×6≈892×3≈393×5≈706×6≈56×4≈73×5≈596×6≈507×8≈695×9≈803×2≈603×3≈892×2≈792×9≈896×8≈409×3≈205×9≈306×3≈101×4≈799×3≈695×6≈192×5≈72×4≈84×2≈698×8≈903×4≈49×9≈906×8≈599×8≈83×9≈291×7≈78×5≈794×4≈899×4≈601×3≈207×3≈197×3≈393×6≈501×4≈691×4≈898×7≈594×9≈607×6≈508×4≈208×9≈802×8≈709×7≈192×6≈691×5≈494×9≈88×5≈898×5≈207×6≈298×7≈507×3≈805×8≈692×4≈205×6≈72×2≈84×3≈609×4≈302×3≈491×8≈809×7≈699×9≈比較大小，將>、<、＝填入?內(nèi)。69×2?140596×3?1800401×8?3200309×3?900188×3?600290×8?2400296×9?270070×8?560916×9?8100219×8?1600512×2?1000599×5?3000883×9?8100803×3?240097×5?500897×8?7200305×2?600702×7?4900810×4?3200418×8?3200912×5?4500195×3?600611×2?1200709×8?5600483×6?3000395×4?1600592×9?5400716×2?140070×5?35099×4?40052×5?250607×2?1200692×4?2800488×2?1000411×7?2800594×2?1200588×6?360082×6?480905×3?2700682×4?280071×4?280895×9?8100414×9?3600610×3?1800308×3?900919×4?3600206×3?600181×6?120054×3?150887×2?180081×5?400811×7?5600585×6?3600813×6?4800793×4?3200693×6?420096×8?800787×6?4800702×6?4200610×8?4800393×4?1600499×9?4500618×3?180074×3?21089×5?450390×5?2000196×8?1600381×2?800896×9?8100481×4?2000919×2?1800195×4?80089×4?360887×4?3600594×4?2400918×2?1800711×7?4900316×5?1500385×7?2800884×6?540098×3?300713×4?2800384×2?800890×3?2700892×3?2700694×7?4900888×6?540086×7?630401×3?1200588×3?1800289×9?270091×3?270783×3?2400313×2?600593×6?3600509×7?3500215×7?1400798×4?320076×2?160614×9?5400603×4?2400609×6?3600894×3?2700519×6?3000602×2?1200383×6?2400508×5?2500209×4?800208×7?1400192×5?1000513×3?1500192×3?600689×8?5600190×5?1000785×7?560094×7?630304×5?1500100×7?700292×8?2400200×8?1600289×6?180091×2?180700×6?420062×5?30090×8?720804×7?5600610×2?120093×4?36082×8?640194×2?400313×4?1200586×3?1800894×8?7200490×5?2500303×2?600685×9?6300899×7?630059×7?420502×6?3000593×4?2400291×3?900695×5?350053×6?300684×2?140062×2?120184×6?1200884×7?6300402×2?800681×9?6300500×9?4500

人教版三年級(jí)上冊(cè)數(shù)學(xué)估算練習(xí)300題答案600180020002500600800450350810035002500120080016002004002700120012006404000360042024007200560072004802800720018004006005400150012006400720480640042056002001800160014027004008104200160027001400180030003600300300400150018002000350056030002100600800400064004802700140015003200400560120024006001800360042048004000250012002700200042002403503600400063001600180018007200720012001800900400240042001000280160560036004507200480072021004003200360018006006002400200028006300540036002000180064004900120035004500450450012002100