部编人教版二年级数学上册口算专项试题(必考题)2

1、部编人教版二年级数学上册口算专项试题及答案（必考题）1、口算。15342795284123357192183213219172893652831630332045937100932054303642、直接写出得数。735483015191966488192534859388342540275398406968821(32)694373403、直接写出得数。654433636494520554355563452553066552646661132184、直接写出得数。7047=500800=20007002452=196417090=12004007356700400=30500=4009001

2、936=80906846=150809187=5、直接写出得数。88497642133579742662201/55684526100283723（55）56（65）7226726、直接写出得数。206247286326156329436483143223225125163927、口算。75-41=84-21=98-20=500-400=21-9=610-410=950-630=500-70=78-45=240-110=700-200=8、口算。2572205793584340434570104236298414818159、直接写得数。7820603990986809070741027958

3、（237）10、直接写出得数421757050010003003825800700308011、我能算得对又快。300600700300809012005001100600180090040070090701400400900040001600100050013002/512、直接写得数。95=48=213=76=248=64=87=57=96=488=58=47=77-7=99+9=325=184=13、口算7+9=_28-8=_35+6=_35-8=_33+4=_45+40=_87-50=_75-50=_62-2=_15+8=_56+3=_72-50=_100-20=_68+20=_99-

4、8=_90-40+25=_14、直接写得数89=364=38+6=74=164=724=64=45+7=328=48+12=306=96=57=153=48=124=15、直接写得数。650800050060068450050085435813647900020005728642730006007119150060045357050130803/5参照答案1564571552165336374131462942734021221464503632905940276496715585456165080330169183391520151912101024251224361244231300270076838080017300530130055170227045172475637427817260262663233445223351112224271422251417346378100122003204303313050081052667831220766537011998639912208436281025707006315001101190010001704/57005009001100160100050006001800124532742324563554640284290302131620412737853725602359228088917