部編人教版二年級數(shù)學(xué)上冊口算(往年真題)

1、部編人教版二年級數(shù)學(xué)上冊口算及答案（從前真題）1、直接寫出得數(shù)。22734764855471561842182491285691251852454952661351752653562、口算。3621492360183763240304627509094525498785165437720300741940060004253、直接寫得數(shù)。60060730809034030050080012006704006707026040550600170802507090030026080085040520205603005704009950170180805204、直接寫出得數(shù)。300+500=4000+

2、500=8000+2000=400+4000=1200-200=50+300=2300-300=70+800=5500-5000=1000+700=500-200=600-200=5、直接寫得數(shù)。47003000965445050245681910003004060018636484080807216971/56、直接寫出得數(shù)。182189427364728637405546455819357279459639168997、直接寫得數(shù)。30090015008001406046214981027408119736039638、直接寫出得數(shù)。279476447569388589309、直接寫出得數(shù)

3、56631435-2692-20=22259+36+1=4610、直接寫得數(shù)。4273068964856196428362458213603427352911、口算550200=57=568=30090=700+60=429=1000800=79090=729=83000=308080=78=358=80060=900500=497=12、直接寫出得數(shù)。400+300=（_）1100-800=（_）860+500=（_）3000-2000=（_）800+1000=（_）5300-200=（_）2/54600-600=（_）7200-7000=（_）140-50=（_）13、直接寫得數(shù)。2683

4、36999977846671098395743514、直接寫得數(shù)。3342841261221249963102123936615、直接寫出得數(shù)。153503033352952604066703751590903695409976702040373/5參照答案131461213752342252614622233449442233251552577242100210731404265669914205564008235406504308002000270600300115025018060010608105002601704935060048004500100004400100035020008705001700300400517004240080970064038440005663692699989995357217120070080671500200020998143638335424404293018497241012724106572837924/5604072614641135035739076046200700830083000564386040071270030013601000180051004000