人教版二年級(jí)數(shù)學(xué)(上冊(cè))口算22

1、人教版二年級(jí)數(shù)學(xué)（上冊(cè)）口算（附答案）1、直接寫得數(shù)。30090015008001406046214981027408119736039632、直接寫出得數(shù)。3009000250050060080320030004800800190090085080040006003、算一算。6723638469397837178796685466879492477759358994、直接寫得數(shù)。28463942688400400729809005454597877300208606072007000120100850800840040060040003203001801005、直接寫出得數(shù)15-7=38-2

2、9=44-33=58+22=36+61=122=63=34=25=46=11=164=09=186=51+9=6、直接寫出得數(shù)。1/5126884006002600600729606801856410080072361832641518427、直接寫得數(shù)。205186244126153204183246122331552558、直接寫出得數(shù)56+20=63-9=49-20=44+7=100-60=35+30=90-8=8+72=6+38=22-6=41-9+50=80-（18-9）=37+5-20=21-（7+2）=84-50+7=52-（10-3）=9、直接寫出得數(shù)。106127148178

3、13321422425434417516327836545736710、直接寫出得數(shù)421757050010003003825800700308011、直接寫出得數(shù)。97=459=259=728=39=42-8=88=546=12、直接寫出得數(shù)284=279=55=46-9=405=366=9+81=147=427=29+5=2/557=9（9-4）=3+34=38-(12+12）=13、直接寫出得數(shù)。74322745686639509495672442462309573355884818349757387614、直接寫出得數(shù)?864089859639800800700060016040400

4、09004300300065080300900280060015、直接寫出得數(shù)。64268779608199427356781791565171835493/5參照答案1120070080671500200020992930020006802004000100050460034229243727562125633640244816361749452781475436648008980505561320800200205080004600208062641000200087407433003633916743625564613587654295140658280441682712212414591415162141515261823251337163511025707006315001101163534927346491273253784/56；90；2；6；34；35；45；15；1413、28；5；51；48；741；36；8；6；892；45；21；7；6432；6；7；19；4214、48；5；39