部编人教版二年级数学上册口算专项练习3

1、部编人教版二年级数学上册口算专项练习（完满版）1、直接写出得数。1061271481781332142242543441751632783654573672、直接写出得数。7005001300600120080040001500400300509050001000200060003、直接写出得数。8640898596395673053825878008007000600160404000900430030006508030090028006004、直接写出得数。25+56_34_93_55_74_56+19_65_72_82_81_93-47_45_5、直接写出得数87-7=90+10=20+

2、5=7+9=85-5=76-6=17-8=88-8=3+70+5=78-8+3=64-4+9=73-3+6=6、直接写出得数59=122=40001000=1800-900=364=497=230-60=300800=1/57、直接写出得数。60-20=59=36+4=57+9=76-40=84=75=70-7=99=65=27=26+30-5=53-8=25-4=79-3=89-32-7=8、直接写出得数。38217518573425658623851445286426730301206040070080200500500400100140070010006009、直接写出得数42+20=3

3、0+29=83+6=03=47=53=88=93-7=9653-3+9=6718+608537-32-5=8347538738-18+259+5734910、直接写出得数34=87=549=27=91=62=56=248=63=455=324=497=11、直接写得数99=427=255+5=819-9=5491=887=2733=07=12、直接写出得数3524895460050070805648100050730030010004002/513、直接写出得数15-7=38-29=44-33=58+22=36+61=122=63=34=25=46=11=164=09=186=51+9=14、

4、直接写出得数。576420425834924365385312426763451863626271832053062553433315、口算。488273632005001983041500700534973940130464740267024342993/5参照答案114151621415152618232513371635121200700200025007001404000800034853978663561600760020031001300730120022004811227252875301416846205801002516807098078736976645650009009717011007404540663632356381301451452160508595723906399733870060110028010003007004009625930028156420545942784002832564566211012566149330318987111;6;10;04/56;7;27;01259351100150810