部编版二年级数学上册口算同步练习3

1、部编版二年级数学上册口算同步练习（完满版）1、直接写出得数。400+300=（_）1100-800=（_）860+500=（_）3000-2000=（_）800+1000=（_）5300-200=（_）4600-600=（_）7200-7000=（_）140-50=（_）2、直接写得数480+60=1300400=46+17=8118=10046=65+27=9314=56+34=300+3000=1200800=47+39=8235=75050=45+36=7028=27+43=3、直接写得数89455684268948816242748208+6153029-1225627+2196217

2、-20543000+2345000-1984、我能算得对又快680-600=340-80=350+70=549=486=728=5000+3000=287=568=427=809=124=357=637=189=306=5、直接写得数46=72-12=57=408=246=12-62=7+56=100-59=6、直接写出得数。1/53009000250050060080320030004800800190090085080040006007、直接写得数。284728405220804918968700600882555800800600040008、口算。1509016080250801000

3、600803070800705014009050050090005000709090050010002000300060003000500040010050001000700300400600080006009、直接写出得数。245466516352344679967343719561010、直接写出得数405=427=24-7=32+6=93=307=78=155=1400-800=200+75=300+3000=400+600=11、口算35269467803962345204707905306104205003503959470180980590723912、口算2/584=69=87=

4、67=31+8=65-45=30+56=97=89=53=66=44=95-5=56+34=85-3=45+5=13、直接写得数160802407010004007080010060897025305760080737000-500035614、直接写出得数。8070279100700080002000100060014234081663314691936134654900400330106622231515、直接写得数89=67=54=97-7=56=49=78=69+9=328=40+28=56+9=6740+21=3/5参照答案170030013601000180051004000200

5、902480+60=5401300400=90046+17=638118=6310046=5465+27=929314=7956+34=90300+3000=33001200800=40047+39=868235=47398203600199503700698403300344777268632800200080040003200480048026042068980004768835925524,60,355,4,037,556930020006802004000100050460077983003624813001550002000860801704001108701201490100040001601400300090008000300400040064008600982036518101224728240108617382742563600275330010001161274196990260190150986504/53903312325456423920866372153616406437251324017060087040