人教版2019年小学三年级数学上册：口算题专项练习【推荐】.pdf

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6=4=2 9 5=8=909=8（）65（）9386 （） 4（）9207（）505（）32 6004=509=707=394=6 6 7=9 2 8=47+5=3 9 4=8 8 7=559=423=253=809527=806=4008=1043=0105=9002=5403=180+170= 500-192=560+80=164=6303=1206=2102=1233=376=90018=2557=642=230 4 100087-35=234=840 120 726+44=24246246280-27=30060=8226327099990 =906=1531359107=216215603280+60=2542453547=1248016=3232462634=145308413004735=750-300=36362+18=36040=2040=750-300=90018=75025=8421=2040=6817=(25-7)0=5 0 3=(5+25) 4=324+13=16+72=30 6 4=6(580-80)=420-210 2=1003+32=180 5-120=5 4 100=459200=(100-50)50=(501-1) 1=750-2500=850- （） =300200（）=2001034535401919+04624828048441100500=5026=7124=1300600=67067006024055086079600800420785060094626663137053428434=4446=300800=802703604804427603663693402884462663444302300250450043018=7719=2519=3924=366=183=28+20=71+23 =7370=420+80=50060=34+25=4537=6938003700+500=45001600800=8024735=21043000300=4622320 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07608570714259002200844091930383572968684980780043303323 64258263425505800842026331604800 700 690358024404824802605244840444043234845409909133600712034802393560899033200620266026408880475005000911243310571204097360944296033222440460270500333280494003330690349337007233 78361142303310339032303114825531031472094700 700 6003482864084808750800888089500801754284231700 800 9031803300593038004601590034509360637563237071200700300650703753141727840421414026606780077008402430254093131333456963233050668026202680096031500 900 1800 800 6332657800833576003378480863036233500500 3328002 70080475607 440493324205423312307804810404040102330 605070801068405030217115070242307010745010701130402420122030212070281201313610191150303028102050103630332140121031214206902033902020133120223609039102124420124223022430803310509012402203224090402003412021301046370033302041 6600242050300455070 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