三年级数学口算题600道.pdf

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1、40-2=70+90=70+2=140-7=70+50=421742988109=460255+52=3006=7050090+30=25+41=33390+40=1407=2804170-90=2031=9400110-30=90-65=333052+35=7208=97999799=804=26+9=4528160-60=1608=150+40=21003=5080=287=5004=248=1220=355=505380042073220480458334202093388041200200117804682945+45=5090=50+80=110-80=50+90=400+300=2

2、130660665105406224080801047307009360061036660343387208365623301073905080086000 20001204640252942505=639=2804=5050=52447454417540701316900357291252496=909=16002=71-68=6001=15003=9300=3200620266026408880475005000911243315826120409736094429603322244069031140900567492004800010002024572954061073105804934

3、2080903070120464087209103465106603700541207000399030301047302366065900500011407040103660002000808020+90=03780+20=5314560744042914805020043656881060062230400600342980082130720833303220871050040224044043320320483977290936402305075186007002107=38=802=4010=1803=80992804=90100=818=130-2=31033903230311482

4、553103720947007006003482864184808750880887989500801754284231700800903180330059303800460159003450936063756323707120071529965071727840421414026606780077008402430254093131333456963233050615946202680096031500903180780063326578008335760033784808630362335005003328002700804793324205423312307804810404040108

5、935627241230(3-1)242-3054(23-3)31330781531060702330605070801068405030217115070242307010745010701130402420122030212070281201313610191150303028102050103630332140121031214206902033902020133120223609039102124420124223022430803310509012402203224090402003412021301046370033302041660024205030045507080077239

6、10896910133023304906060604090302140302040902313320407048197064900231020354535322070608419006342033303120702684109800703024286475902230650087042204003005900103322080702014020660224044204139432046374206300640113609103440909060490720343003804650330325056808021408040103720502000300880270204004=066503064

7、0888044003003439360699101220308041209710700733300591180200431206009047007004437401284476307712304331302130432020751823489030301246242404691022403320900970114500500133150260074552120370+80=4802110-6=393659560857389903150070007342201005105035055229240252394008480833305058003605041024120310320234404303

8、2035103529614107303050908030201490504206300620404004493370772337836114230346910-5=90+20=17-8=180-80=3505=4070433890508465431610805182500408810700581994070440432348454099094202633160480070069035802440482480260524484040510857075900844930383572968684980733033234242665466+26=1316839150-60=700+600=42299377076603960318096515660680021402=4008=4806=305=04=2406=1602=903=751=3208=4004=2404=54009=