1、二下口算练习十一二（ ）班 姓名：2060 9 864060018 2=305050 8280 20820030042 5 =500080 6930 86585080090 9 =6400400 16 +70 4 880060082 8 =2005000 3006032910030016 2 =40504000304424320720088 4 =500040006005457 =60020020 4 =5001000 8070027540060049 7 =100050003004016472020040 8=3000300 =1505054=700030 30 2 =90709000 90
2、0103081000600 31 7=600020005 + 500 =985000300023 5=5003000 405400247000200024 82300300 4003081 =200050078 75004500060300528 =400440004 44003000 22020194 =303030001598002000 50700925 =50800060409001000 305554810009000585090007000506500288100006000309500030002060 908640600289=30055 550-500=300+700=304
3、00=65=32+8=66060=192=8510=798=30+60=68+9=60+40=96=405400=50305000=95-9=46-8=1000-300=11+9=25+5=6500-6000=3022=4000+300=31-6=900+9000=时间：（ ）分（ ）秒 成绩：错（ ）题二下口算练习十二二（ ）班 姓名：32002001000800060460020050004040400024 8507002427020015960020056503000100006000720020040030530004006007000300805080007202009001010
4、00600828078735005005000800640040020050004500400020 8500100083970070030860002000925003000203030505050004003000800200090010008002006005580700805800150703000400900010003000500=7300300=1004000=90509000=304000=90003000=60002000=77007000=100003000=405000=90099000=80003000=3005000=1000700=80004000=7700700=
5、80007000=65006000=1005000=702000=604020030014860050200604000300082080050002000900300100900090300707070007030060066000300010004000300900050006808020+6000800407500700050030003000+70001000050002000800022020603008000600010030002353000+5000=506500=5200=800+4000=95-60=79=5810=32020=289=300+20=900-200=5000+90=536=50300=64-8=25+8=94=639=20802000=169=8+400=35-8=455=800200=79=时间：（ ）分（ ）秒 成绩：错（ ）题
