部編人教版二年級數(shù)學上冊口算專項練習題2

1、部編人教版二年級數(shù)學上冊口算專項練習題及答案1、直接寫得數(shù)2535354520551543382462334121264642662565292、直接寫出得數(shù)4060=10035=4828=5220=57=358=359=96=377=459=497=287=246-4=6（5-3）=（15-5）2=54-6=3、直接寫出得數(shù)42+20=30+29=83+6=03=47=53=88=93-7=9653-3+9=6718+608537-32-5=8347538738-18+259+573494、口算。405061307540502389867018923575484090731233737860

2、97705178946555、直接寫出得數(shù)。4540768498220656（604）43（319）799598（608）45536881891/56、直接寫出得數(shù)39+41=60-39=400+4000=6800-6000=360-70=42+37=600+800=80-55=1700-800=59+24=50+800=1000-300=7、口算。69246340040012004005687756341306076641880020030558284800900190090045990021001600700948、直接寫得數(shù)。54915335727（）942684248（）74220分4

3、0分1時50分30秒1分30秒30秒9、直接寫得數(shù)819=405=7000-5000=438=900+600=1200-800=477=637=10、直接寫出得數(shù)。63367557435762134753470607107082090740804805001000400721852162929650804205011、直接寫得數(shù)。64155361265530652626616412、直接寫得數(shù)。2/5268336999977846671098395743513、直接寫出得數(shù)。12372944352041477182557614、直接寫得數(shù)。284639426884004007298090054

4、545978773002086060720070001201008508008400400600400032030018010015、直接寫得數(shù)3246184789474527273572192179993947293347603778183/5參照答案1101584040507050286611121006520723543445457412514362593002815642054594278400283256456621490313573171692879489754761827588560592735606565307661680214400800290791400259008385070075443800800719070424610006407170010005300090036865283732335601090604/59982000531500400659102718100751005306409106609806009036587303701124318225510121412122418726356245272273571348115527610421475