部編人教版二年級數(shù)學上冊口算易錯題2

1、部編人教版二年級數(shù)學上冊口算易錯題及答案（全套）1、直接寫得數(shù)63729369886659366328817294079020+1742747+2058819493552462、口算。488273632005001983041500700534973940130464740267024342993、小小直接寫出得數(shù)家。64864452465524615336968303293058570287546171324442732479574、口算。87=405=96=459=648=567=284=497=819=56=728=29=546=273=49=213=205=182=75=88=5、直接

2、寫得數(shù)2535354520551543381/52462334121264642662565296、口算6352344616830635191921679894291405767、直接寫出得數(shù)15-7=38-29=44-33=58+22=36+61=122=63=34=25=46=11=164=09=186=51+9=8、口算6485872944459912132053054820648669、直接寫得數(shù)65+25=408-108=255=330-230=488=470+100=427=97=10、直接寫出得數(shù)。586203566571889301036176436865639（166）504

3、2011、直接寫得數(shù)。650800050060068450050085435813647900020005728642730006007119150060045357050130802/512、口算35269467803962345204707905306104205003503959470180980590723913、直接寫得數(shù)。1400500=200400=30004000=800-500=1700-400=7800-800=3400-3000=1800-800=700800=14、直接寫出得數(shù)。925727364767638165831(168)715、直接寫出得數(shù).459824882

4、135765819635+564-9243（）218328488+7105756（）73/5參照答案1188464145648200373548409367482663270050022004811004272738242018254543823615493066863354568545887793091899367493515101584040507050286611161810122424241640333049292414031488;40;8;15;9;7;46;68;8;369903005100657066310525561795946114987293411865011004840004/5427191700075373600529008012050126127419699026019015098650390331319006007000300