三年级第一学期数学口算
1000991489576367754162959900548400319121×461×618×3183×359×8313×5257×2361×7
12×4
750＋250＝9×9×0＝1－3＝
8
198×3＝
680330370540803276700563980904300101234×2321×471×436×772×4499×3915×4
89×42×0
39＋21＝800－330＝110×8＝4＋3＝
77
7465
1062469401289406217710346100059920985
12×814×5911×648×627×9824×5529×3
82÷9
58－9＝34－7＝33÷9＝202×5＝595
f353454386548762348291437642533251473380550550380410250970480340370360240280160630290320180360240570380370480390250
432665545627542815427416
2364562770352346380470
9234920340
440270230540240160
730540450270450260650340520300840560
394480423527652590343750230460
35233502303847
780150800160800150
640190520320460370420390
490130473392086065157026
f750540271122476121365825659343532227866480854032453061971702305601000599256475413587862715400313241439697894607910913290637829355
6002409719039380271925269723584421406102133745002682451585004375082298063272298573958372257014071048959041350792141089×967
44015091980545542816498611435312335466261584205610005206023759807653894671322310224726367815998300101230551000770838939572÷8
f352289÷720×46×913×242×2123×2421×3132×661×6313×572×92000×419809×0208×3×0370×5309×4450×8665×9127×8234×7309249490153
1056×8200×460×933×2321×351×5423×2911×613×7499×348×6
406385×321×0608×8130×9607×8270×7514×5905×9604×8581467429258
5932711692000×4600×934×2
211×4512×4221×418×3321×8824×5208×670×9120
95×0420×6280×7640×2890×7189×63000×0490200685237476534
f870800800350617519700×0556×848÷2180÷3140÷7680÷22000200估算：382247≈357452≈806574≈15859≈84421≈76×9≈432×4≈404×8≈127×8≈17563≈22×3≈
96060754300900682208×6413×8600÷390÷3360÷6700÷87700700
578316≈659306≈353726≈969789≈27875≈106×5≈490×4≈514×4≈234×9≈258148≈913×8≈
1000800790590800×7
840×5198×9640÷8450÷9840÷293÷31700800
898169≈483321≈806327≈701407≈35466≈503×7≈123×3≈665×7≈96×4≈804546≈156×9≈
f60秒（）分6分（）秒5厘米（）毫米8000千克（）吨120分（）时
1分40秒（）秒4千米（）米70厘米（）分米
3分（r