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小學(xué)二年級數(shù)學(xué)下冊口算天天練(專業(yè)版)

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【正文】 (1)331+369= (16)479+203=(2)133+267= (17)255+405=(3)285+215= (18)207+347=(4)329+471= (19)178+209=(5)117+456= (20)548+401=(6)343+236= (21)171+509=(7)768+123= (22)363+109=(8)274+128= (23)168+205=(9)385+205= (24)123+204=(10)155+202= (25)201+298= (11)404+156= (26)202+101= (12)424+276= (27)102+372= (13)104+127= (28)523+104= (14)315+485= (29)208+307= (15)573+127= (30)106+196=直接寫出得數(shù)。 7817 9050 8342 12+20 51+43 13+65 32 61 94 40 78 41豎式計(jì)算。8=□……□(4)30247。5=□……□(4)12247。1306里面有( )個(gè)千,( )個(gè)百,( )個(gè)十,( )個(gè)一。(1)從右邊起,第一位是( )位,第二位是( )位,第三位是( )。最大的四位數(shù)是( ),它比10000少( )。9=□……□ 39247。4=□……□ 49247。8=□……□ 33247。7=□……□ 27247。8=□……□ 35247。9=□……□ 38247。4=□……□ 53247。6=□……□47247。4=□……□58247。4=□……□25247。6=□……□22247。6=□……□76247。6=□……□38247。4=□……□22247。找規(guī)律填數(shù)258,259( ),( )262,( )871( )( )874,875( )534,( ) ,( ) ,( )538,539342,343,( ),( ),( )347230,240.( ),( )270,( )410,( ),430,440,( ),( )( )( ),640,650,( ),670200,( ),400,500,( ) ,( )( ),500,600,( )( )900253里面有( )個(gè)百,( )個(gè)十,( )個(gè)一。(2)由7個(gè)千,8個(gè)百和6個(gè)一組成的數(shù)是( )。1300里面有( )個(gè)千,( )個(gè)百,( )個(gè)十,( )個(gè)一。5=□……□ (11)70247。9=□……□ (12)13247。(1)450+210= (5)341+125= (9)346+123= 4 5 0 3 4 1 3 4 6 + 2 1 0 + 1 2 5 + 1 2 3(2)410+270= (6)255+214= (10)423+371= 4 1 0 2 5 5 4 2 3 + 2 7 0 + 2 1 4 + 3 7 1(3)260+120= (7)452+137= (11)466+323= 2 6 0 4 5 2 4 6 6 + 1 2 0 + 1 3 7 + 3 2 3(4)610+150= (8)253+142= (12)362+235= 6 1 0 2 5 3 3 6 2 + 1 5 0 + 1 4 2 + 2 3 5直接寫出得數(shù)。(1)248+374= (16)346+275=(2)476267= (17)255+465=(3)155+215= (18)267+347=(4)374+471= (19)178+269=(5)278+456= (20)548+471=(6)256+236= (21)171+589=(7)473+158= (22)363+199=(8)254+128= (23)168+265=(9)534+289= (24)123+274=(10)155+202= (25)251+298= (11)434+156= (26)252+161= (12)429+276= (27)152+372= (13)104+127= (28)523+184= (14)454+168= (29)208+307= (15)573+249= (30)176+196=直接寫出得數(shù)。(1)395138= (16)572344=(2)354216= (17)381116=(3)492359= (18)543217=(4)763237= (19)384235=(5)541323= (20)573349=(6)761336= (21)267148=(7)463237= (22)496247=(8)776348= (23)365128=(9)352214= (24)443326=(10)635417= (25)771346= (11)435216= (26)376239= (12)562145= (27)784259= (13)447228= (28)536318= (14)283136= (29)276159= (15)473234= (30)442218=直接寫出得數(shù)。(1)5436= (11)55+17=(2)16+16= (12)8259=(3)8318= (13)47+15=(4)2517= (14)3126=(5)37+48= (15)56+18=(6)28+37= (16)6129=(7)4217= (17)34+48=(8)37+36= (18)5317=(9)7427= (19)72+19= (10)36+25= (20)4418=二、連一連。4=□……□ (11)74247。9=□……□ (10)49247。5253里面有( )個(gè)千,( )個(gè)百,( )個(gè)十,( )個(gè)一。574里面有( )個(gè)百,( )個(gè)十,( )個(gè)一。由6個(gè)千,5個(gè)百組成的數(shù)是( ),這個(gè)數(shù)讀作( )。6=□……□ 46247。6=□……□直接寫出商和余數(shù)27247。3=□……□19247。9=□……□50247。8=□……□53247。5=□……□ 46247。5=直接寫出商和余數(shù)21247。6=□……□ 28247。7=□……□ 45247。6=□……□ 43247。3=□……□ 65247。9=□……□ 53247。6=□……□ 31247。7=□……□ 45247。314里面有( )個(gè)百,( )個(gè)十,( )個(gè)一。(3)9708的千位上是( ),表示( )個(gè)( ),百位上是( ),表示( )個(gè)( ),個(gè)位上是( )表示( )個(gè)( )。1064里面有( )個(gè)千,( )個(gè)百,( )個(gè)十,( )個(gè)一。8=□……□(5)62247。3=□……□(5)57247。(1)102+137= (16)472+203=(2)104+150= (17)252+405=(3)613+205= (18)207+340=(4)305+124= (19)170+209=(5)117+102= (20)540+401=(6)343+202= (21)171+507=(7)768+101= (22)363+102=(8)270+121= (23)163+205=(9)380+205= (24)123+204=(10)155+202= (25)201+298= (11)404+150= (26)202+101= (12)305+392= (27)102+372= (13)104+372= (28)523+104= (14)501+144= (29)208+301= (15)168+311= (30)103+196=直接寫出得數(shù)。(1)331+369= (16)479+273=(2)153+267= (17)255+485=(3)285+215= (18)207+347=(4)339+471= (19)178+209=(5)157+456= (20)548+401=(6)343+286= (21)171+509=(7)768+123= (22)363+109=(8)274+178= (23)168+275=(9)385+275= (24)123+284=(10)155+252= (25)201+298= (11)404+156= (26)502+191= (12)424+276= (27)102+372= (13)174+127= (28)523+104= (14)355+485= (29)208+307= (15)573+167= (30)106+196=豎式計(jì)算。(1)587239= (16)553236=(2)376128= (17)871337=(3)473246= (18)353124=(4)234117= (19)562245=(5)596328= (20)268139=(6)363228= (21)488169=(7)684217= (22)243128=(8)462319= (23)563245=(9)555218= (24)362148=(10)365226= (25)662345= (11)241116= (26)581253= (12)764328= (27)367149= (13)453237= (28)654329= (14)855418= (29)453134= (15)271129= (30)265137=直接寫出得數(shù)。(1)
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