二年級除法口算一（姓名：）18÷3=15÷3=6÷3=25÷5=72÷9=20÷5=54÷6=30÷6=27÷3=4×3=12÷4=8÷2=24÷4=4×4=16÷8=8×5=56÷7=42÷7=6×8=8÷2=9÷3=5×6=18÷9=18÷6=6÷1=12÷2=2×7=15÷5=30÷5=24÷6=20÷4=15÷3=10÷5=5÷1=56÷7=4×5=6×3=4÷4=25÷5=36÷6=3×6=42－5=20÷5=50－7=10÷5=9÷3=18＋6=30÷5=20＋4=5＋67=2÷2=5÷5=18÷6=12÷6=81÷9=20÷4=30÷6=32÷4=8÷4=45÷5=24÷3=20÷5=42÷6=18÷3=12÷6=32÷8=16÷4=21÷7=24÷6=25÷5=18÷3=8×6=30-18=32÷8=19－7=12÷6=30÷6=15÷3=25÷5=20÷5=48÷6=15＋6=36÷6=8＋12=15÷5=64÷8=16÷4=25＋5=3×6=18÷3=25÷5=3×4=20÷5=24÷4=18－6=18÷6=4×9=18÷6=7×5=36÷6=二年級除法口算二（姓名：）12÷2=2×7=15÷5=30÷5=24÷6=9÷3=18＋6=30÷5=20＋4=5＋67=2÷2=5÷5=18÷6=12÷6=81÷9=20÷4=30÷6=32÷4=8÷4=45÷5=24÷3=20÷5=42÷6=18÷3=12÷6=32÷8=16÷4=21÷7=24÷6=25÷5=18÷6=4×9=18÷6=7×5=36÷6=18÷3=15÷3=6÷3=25÷5= 72÷9=20÷5=54÷6=30÷6=27÷3=4×3=12÷4=8÷2=24÷4=4×4=16÷8=8×5=56÷7=42÷7=6×8=8÷2=9÷3=5×6=18÷9=18÷6=6÷1=20÷4=15÷3=10÷5=5÷1=56÷7=4×5=6×3=4÷4=25÷5=36÷6=3×6=42－5=20÷5=50－7=10÷5=18÷3=8×6=30-18=32÷8=19－7=12÷6=30÷6=15÷3=25÷5=20÷5=48÷6=15＋6=36÷6=8＋12=15÷5=64÷8=16÷4=25＋5=3×6=18÷3=25÷5=3×4=20÷5=24÷4=18－6=二年級第二學(xué)期計算比賽班別:姓名:學(xué)號:一、口算(40分)：73－67＝58＋23＝1200－300＝45÷9×2＝8÷8＝420－420＝260＋40＝72－24＝0×8＋15＝54÷9＝94－71＝84－28＋19=68＋35＝90－27＝990－600＝8×9=36＋26=7×8－17＝81－24=54÷9=110＋（45＋45）＝二、筆算(36分)：370＋250=320＋480=520－380=850－670=800－640=840－370=三、估算(24分)：568＋204307＋488854－118922－343493＋211286＋354估算班別:姓名:學(xué)號:寫出下面各數(shù)的近似數(shù)197408569887373521678999254358467733估算598＋204307＋448497+504254－108572－353789-456473＋218276＋361541+294解決問題1.小紅為地震災(zāi)區(qū)捐款489元，小東捐款321元，他們一共捐款大約多少元？2.環(huán)衛(wèi)阿姨3月收集瓶子588個，4月收集瓶子432個，3月比4月大約多收集多少個？(1)(70-56)÷2=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(2)(70-40)÷6=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(3)(27-17)÷5=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(4)(21-15)×7=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(5)(22-15)×4=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(6)(44-40)×7=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(7)(64-56)÷2=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(8)(56-28)÷7=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(9)(11-6)×3=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(10)(74-34)÷5=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(11)(32-29)×6=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(12)(57-52)×2=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(13)(8-2)÷3=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(14)(40-8)÷8=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(15)(44-37)×1=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(16)(19-15)÷2=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(17)(14-10)×6=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(18)(26-19)×4=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(19)(9-6)×8=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(20)(3+4)×8=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(21)(44-20)÷8=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(22)(29-14)÷3=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(23)(71-22)÷7=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(24)(10-5)×2=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(25)(41-35)×6=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(26)(78-46)÷8=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(27)(35-28)×4=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(28)(53-50)×2=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(29)(71-47)÷3=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(30)(61-43)÷3=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(31)(60-58)÷1=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(32)(42-17)÷5=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(33)(63-58)×6=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(34)(19-3)÷8=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(35)(28-21)×5=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(36)(49-48)×2=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(37)(14-10)×1=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(38)(21-20)×6=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(39)(31-24)×5=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(40)(2+3)×8=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(41)(11-10)×4=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(42)(18-17)÷1=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(43)(28-21)×5=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(44)(70-66)×6=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(45)(56-48)÷2=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(46)(69-27)÷6=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(47)(23-19)÷2=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(48)(51-16)÷7=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(49)(38-34)×7=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(50)(26-23)÷3=HTMLCONTROLForms.HTML:Text.1(1)(21-13)÷8=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(2)(45-44)÷1=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(3)(4-1)×1=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(4)(58-50)÷8=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(5)(23-18)×5=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(6)(79-77)×4=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(7)(71-63)×3=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(8)(57-15)÷6=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hidden.1(9)(27-21)÷3=HTMLCONTROLForms.HTML:Text.1HTMLCONTROLForms.HTML:Hid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