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    相關(guān)習題

    科目:小學數(shù)學 來源: 題型:

    五(1)班全體同學的左眼視力情況如下:
    5.0 4.9 5.3 5.2 4.7 5.2 4.8 5.1 5.3  5.2  
    4.8 5.0 4.5 5.1 4.9 5.1 4.7 5.0 4.8 5.1    
    5.0 4.8 4.9 5.1 4.5 5.1 4.6 5.1 4.7 5.1    
    5.0 5.1 5.1 4.9 5.0 5.1 5.2 5.1 4.6 5.0
    (1)根據(jù)上面的數(shù)據(jù)完成下面的統(tǒng)計表.
    左眼視力 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3
    人  數(shù)
    (2)這組數(shù)據(jù)的中位數(shù)是
    5.0
    5.0
    ,眾數(shù)是
    5.1
    5.1

    (3)你認為用哪一個數(shù)據(jù)代表全班同學視力的一般水平比較合適?
    (4)視力在4.9及以下為近視,五(1)班同學左眼視力近視的同學占百分之幾?你對他們有什么建議?

    查看答案和解析>>

    科目:小學數(shù)學 來源: 題型:閱讀理解

    1.
    (1)438+203 (2)256+199 (3)416-302 (4)325-198
    (5)278+498 (6)3.6+2.7+6.4+7.3 (7)
    4
    9
    +
    5
    6
    +
    5
    9
    +2
    1
    6
    (8)1.3+4.25+3.7+3
    (9)1874-324-476 (10)5-1.4-1.6 (11)30-8.12-4.13-7.75 (12)
    7
    8
    -
    4
    5
    +
    1
    8
    (13)4.3-2.45+5.7-6.55 (14)125×48 (15)25×32 (16)35×1.4
    (17)1.25×88 (18)0.25×444 (19)32×0.25×12.5 (20)25×80×0.04×125
    (21)1.9×4×0.5 (22)25×1.25×4×0.8 (23)(1.6+1.6+1.6+1.6)×2.5 (24)(0.7+0.7…+0.7)×12.5(80個0.7相加)
    (24)9.9×8.6+8.6 (25)99×5.4
    (26)4.8×1.01 (27)95×101-95 (28)95×102-190 (29)95.6×18+0.4×18
    (30)(
    1
    3
    -
    1
    6
    +
    1
    4
    )×12
    (31)(
    1
    3
    +
    1
    8
    -
    1
    24
    )÷
    1
    24
    (32)24×(
    1
    3
    +
    1
    8
    -
    1
    24
    (33)24÷(
    1
    3
    +
    1
    8
    -
    1
    24
    (34)1.25×3.6+1.25×3
    2
    5
    +1
    1
    4
    (35)3.3×
    3
    4
    +0.75×5
    7
    10
    +75%
    (36)2
    1
    2
    ×6.6+7.5×6
    3
    5
    (37)9.56×180-95.6×8
    (38)4.8×37+47×6.3 (39)9.5×8.8+0.12×95 (40)
    19
    20
    ×21
    (41)
    7
    30
    ×33
    (42)
    2
    45
    ÷
    1
    46
    (43)
    2
    45
    ÷
    1
    48
    (44)
    2
    45
    ÷42
    (45)6×0.75+5×
    3
    4
    -3÷4
    (46)5.4÷1.2÷5 (47)270÷18 (48)120÷(1.2×4) (49)73÷0.8÷12.5
    (50)16÷2.5 (51)48÷1.25 (52)
    3
    7
    -(
    1
    2
    -
    3
    7
    )+
    1
    2
    (53)84-(54-16)
    (54)84-(54+16) (55)9999×7778+3333×6666 (56)3.6×31.4+43.9×6.4 (57)(
    3
    4
    +
    5
    6
    )×
    12
    5
    (58)
    7
    9
    ×
    13
    14
    +
    2
    9
    ÷
    14
    13
    (59)
    23
    20
    -
    1
    3
    -
    2
    3
    (60)
    6
    11
    ×
    7
    8
    -
    6
    8
    ×
    5
    11
    (61)
    1
    2
    ×
    1
    4
    ÷
    1
    2
    ×
    1
    4
    (62)
    25
    17
    -
    1
    3
    ×
    9
    8
    -
    5
    8
    (63)
    8
    9
    ×[
    3
    7
    ÷(
    2
    3
    +
    1
    7
    )]
    (64)(0.9+5)×3+2.3 (65)56×
    1
    57
    (66)
    3
    4
    +
    1
    4
    ÷
    3
    4
    +
    1
    4
    (67)(
    3
    4
    +
    1
    4
    )÷(
    3
    4
    +
    1
    4
    (68)
    7
    15
    ÷(
    7
    30
    -
    1
    15
    (69)(
    7
    30
    -
    1
    15
    )÷
    7
    15
    (70)7.2÷(5-0.75-0.25) (71)6.4+3.6÷0.5+4.5 (72)(6.4+3.6)÷0.5+4.5 (73)495÷55+495÷45
    (74)8÷0.4+8÷1.6 (75)0.9+99×0.9 (76)5.28-(1.62+2.28) (77)
    5
    9
    -
    5
    9
    +
    4
    9
    (78)4×(
    3
    8
    +)
    (79)
    5
    9
    +
    3
    11
    ++
    (80)2-(
    1
    2
    +
    1
    25
    )-
    23
    50
    (81)
    7
    18
    ×
    1
    4
    +
    3
    4
    ×
    7
    18
    (82)
    7
    10
    ×
    11
    14
    +
    11
    14
    ×
    3
    10
    (83)
    7
    8
    ×9+
    7
    8
    (84)(5+
    5
    16
    )×
    4
    5
    (85)(
    1
    6
    +
    1
    8
    )×24
    (86)(20+
    4
    7
    )×
    7
    10
    (87)
    1
    13
    ×39×
    8
    21
    (88)
    7
    3
    ×(
    3
    7
    +
    3
    28
    (89)(
    1
    4
    -
    1
    6
    )×12
    (90)
    40
    13
    ×(26×
    3
    40
    (91)
    1
    7
    +
    7
    9
    +
    6
    7
    +
    2
    9
    (92)17×
    3
    8
    -
    3
    8
    (93)(
    8
    5
    +
    8
    3
    )×
    5
    8
    (94)(
    13
    24
    +
    13
    16
    )÷
    13
    16
    (95)(
    3
    8
    +
    3
    11
    )÷3
    (96)(
    1
    27
    -
    1
    36
    )÷
    1
    9
    (97)
    3
    7
    ÷
    7
    11
    +
    4
    7
    ÷
    7
    11
    (98)
    4
    5
    ×(10+
    5
    6
    (99)(21+
    7
    15
    )÷
    7
    5
    (100)
    7
    13
    ×
    3
    4
    6
    13
    (101)
    5
    2
    ÷
    4
    17
    +
    3
    2
    ÷
    4
    17
    (102)(
    5
    18
    -
    5
    24
    )÷
    5
    6
    (103)
    2
    3
    ×
    7
    3
    +
    4
    5
    +
    (104)
    25
    17
    _
    1
    3
    ×
    9
    8
    -
    5
    8
    (105)
    12
    7
    -(
    1
    3
    ÷
    7
    15
    +
    4
    13
    (106)
    5
    7
    +
    9
    8
    ×
    5
    9
    +
    3
    8
    (107)1-
    5
    8
    ÷
    25
    28
    -
    3
    10
    (108)
    1
    4
    ×
    3
    7
    +÷4
    (109)5-(4+
    6
    13
    (110)1125-997 (111)7.46-0.83-2.17 (112)12.85-1.17-8.83+1.15 (113)4.5×102
    (114)0.4×6.3×25 (115)(4.9+4.9+…+4.9)×2.5(16個4.9相加) (116)7.5×199 (117)(
    1
    9
    +
    1
    12
    )×36
    (118)1.2×5.7-1.2+5.3×1.2 (119)0.825×102-82.5 (120)46×
    2
    45
    (121)560÷16÷5
    (122)3÷2.5 (123)84+(54-16) (124)
    3
    11
    +
    5
    12
    +
    8
    11
    +
    7
    12
    (125)
    12
    7
    -(
    1
    3
    ÷
    7
    15
    +
    4
    13
    (126)3×(
    1
    12
    +
    2
    15
    )+
    3
    4
    (127)7.2÷(5-0.75+0.25) (128)725÷25+275÷25 (129)
    1
    2
    ×
    1
    4
    ×
    2
    3
    (130)
    7
    16
    ×45-
    7
    16
    ÷
    1
    45
    (131)48×(
    5
    6
    -
    3
    8
    (132)
    12
    13
    ×
    4
    5
    +
    1
    3
    ×
    1
    2
    (133)(32+
    4
    7
    )÷4
    (134)
    1
    3
    ÷
    3
    8
    ÷
    8
    9
    (135)46×
    2
    45
    (136)
    3
    4
    ×
    1
    9
    +
    1
    4
    ÷9

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    科目:小學數(shù)學 來源: 題型:

    30×2= 52×7= 80×6= 100×4= 400×8=
    900×5= 40×6= 10×9= 3×8= 10×5=
    7×200= 800×6= 80÷4= 240÷6= 360÷9=
    108×7= 810÷9= 67+8= 82+7= 104×3=
    0×105= 23×3= 64÷2= 2400÷8= 33÷3=
    3×400= 840÷2= 12×3= 400÷5= 5400÷9=
    180+170= 500-192= 540÷3= 560+80= (25-7)×0=
    0÷8= 21×7= 80-90= 660÷6= 88÷8=
    48+73= 640÷8= 710-30= 5400÷6= 80×7=
    88÷8= 17×3= 16×4= 200×6= 14×5=
    200×4= 180÷3= 320÷8= 0÷9= 30×8=
    50×3= 360÷6= 86+7= 80÷4= 630÷3=
    24×2= 120÷6= 600×4= 210×2= 48÷4=
    90-8= 400×5= 31×3= 900×7= 200×9=
    33×2= 600×6= 2000×3= 800×7= 123×3=
    36÷3= 88÷4= 3×30= 450÷5= 700÷7=
    8×6= 42÷7= 18÷3= 24÷3= 5×0×3=
    32÷8= 5×6= 54÷4= 9×50= 16+7×2=
    81÷9= 10×3= 48÷8= 20×7= 32÷4+13=
    9×4= 6×500= 300×4= 900×2= (5+25)×4=
    37×6= 45×3= 64÷2= 23×4= 19×3=
    36×2= 47×3= 48×2= 15×2= 39×4=
    300÷60= 90÷6= 72÷8= 910÷7= 75-28=
    60+180= 420-80= 68÷4= 280+60= 28+25=
    360÷40= 540÷60= 30÷3= 270+50= 14×7=
    62+18= 15×6= 420÷70= 95÷5= 750-300=
    16×5= 92-48= 21×40= 720÷80= 65÷13=
    17×4= 68÷17= 70÷14= 90÷15= 80÷16=
    72-24= 900÷18= 750÷25= 84÷21= 20×40=

    查看答案和解析>>

    科目:小學數(shù)學 來源: 題型:閱讀理解

    4.7+2.3= 4.5×2= 6.9-2.5= 7.2×0.8=
    6×3.4= 0.62-0.32= 1.4×0.5= 0.75×100=
    0.02×0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=
    0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
    0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=
    3.6÷24= 0.8×1.1= 7.2+12.8= 46.7-3.8=
    12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=
    10÷20= 24÷15= 8.65×10= 0.35×0.6=
    3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
    2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
    4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
    0.56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
    7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
    1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
    0.22×102= 9.6÷0.8= 5×0.24= 4.5-0.05=
    3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=
    4.8×0.5= 2.8+4.2= 0.84÷2.1= 5÷0.25=
    7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
    0.56÷0.8= 7.4-2.8= 0.18÷0.2= 0.16÷8=
    4.5×0.02= 8+7.2= 1.2×30= 0.012×0.2=
    7.3×0.3= 9÷6= 3.6÷0.12= 7.8÷0.6=
    2÷5= 4.5+5= 0.3÷0.6= 0.96÷0.2=
    10.5×0.4= 7.3+0.27= 8×0.125= 0.54÷0.6=
    0.61+0.39= 0.56÷28= 10÷20= 4.08÷0.4=
    11-9.4= 0.8×0.11= 0.72+12.8= 5.6÷0.01=
    2.3×100= 0.75×100= 0.108÷2= 10.8÷9=
    0.7÷0.8= 16-5.07= 4.2×0.4= 0.72×6=
    12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
    0.41+3.7= 0.02×0.5= 7.2-0.8= 1.4×0.5=
    84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=
    1.75+32.5= 16-5.07= 5.2÷13= 1.64÷41=
    1.02×0.2= 0.26×0.3= 8.4×0.02= 1.29×6=
    0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21=
    0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2=
    1.24÷4= 3.27+0.63= 5.02×0.3= 0.3×0.5=
    6.4÷4= 7.2÷1.8= 0.7÷0.35= 0.72÷1.44=
    0.48÷0.04= 1.25÷2.5= 5.5+55= 16.8÷8=
    0.54+2.2= 3.5-0.05= 2÷0.02= 0.25×40=
    1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
    46.5+52.5= 0.45×102= 1.25×88= 2.64+3.85+1.54=
    8×1.25= 5.6÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
    0.27÷0.3= 2.5×101= 0.65×101-0.65= 2.6×7÷2.6×7=

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    科目:小學數(shù)學 來源: 題型:解答題

    4.7+2.3=4.5×2=6.9-2.5=7.2×0.8=
    6×3.4=0.62-0.32=1.4×0.5=0.75×100=
    0.02×0.5=3.6÷0.3=6.3÷7=5.6÷100=
    0.75÷0.25=0.125×8=4.8÷0.3=0.96÷2=
    0.56÷28=0.36÷0.4=0.64÷0.8=0.72÷3.6=
    3.6÷24=0.8×1.1=7.2+12.8=46.7-3.8=
    12.8÷4=5.2÷13=12.5÷5=1.64÷41=
    10÷20=24÷15=8.65×10=0.35×0.6=
    3.08×0.01=4.95×1000=6.9×0.1=0.4×0.5=
    2.4÷0.8=10.8÷9=9.6÷0.8=0.108÷2=
    4.95÷0.9=9.65÷0.1=0.325×100=2.5×8=
    0.56÷0.7=0.125×4=3.28×0.1=3.9÷0.13=
    7.2×0.1=0.01×0.1=0.25×0.4=1.6÷0.8=
    1÷2.5=1.25×0.8=3.2÷0.04=0÷1.7=
    0.22×102=9.6÷0.8=5×0.24=4.5-0.05=
    3.9÷0.1316.5÷0.5=5×0.12=24×0.5=
    4.8×0.5=2.8+4.2=0.84÷2.1=5÷0.25=
    7.8÷0.01=5.4÷0.6=3.2÷5=7×0.62=
    0.56÷0.8=7.4-2.8=0.18÷0.2=0.16÷8=
    4.5×0.02=8+7.2=1.2×30=0.012×0.2=
    7.3×0.3=9÷6=3.6÷0.12=7.8÷0.6=
    2÷5=4.5+5=0.3÷0.6=0.96÷0.2=
    10.5×0.4=7.3+0.27=8×0.125=0.54÷0.6=
    0.61+0.39=0.56÷28=10÷20=4.08÷0.4=
    11-9.4=0.8×0.11=0.72+12.8=5.6÷0.01=
    2.3×100=0.75×100=0.108÷2=10.8÷9=
    0.7÷0.8=16-5.07=4.2×0.4=0.72×6=
    12÷0.5=5.2×0.4=12.2÷0.2=5.6÷100=
    0.41+3.7=0.02×0.5=7.2-0.8=1.4×0.5=
    84÷0.21=0.75÷0.25=2.5×16=0.108÷2=
    1.75+32.5=16-5.07=5.2÷13=1.64÷41=
    1.02×0.2=0.26×0.3=8.4×0.02=1.29×6=
    0.8×0.05=12.6÷0.03=8.71÷0.1=21÷0.21=
    0.8×0.13=0.34÷17=8.08÷0.4=0.5×2.2=
    1.24÷4=3.27+0.63=5.02×0.3=0.3×0.5=
    6.4÷4=7.2÷1.8=0.7÷0.35=0.72÷1.44=
    0.48÷0.04=1.25÷2.5=5.5+55=16.8÷8=
    0.54+2.2=3.5-0.05=2÷0.02=0.25×40=
    1.5×0.6=0.32÷0.8=12.25÷0.5=73.5×0.1=
    46.5+52.5=0.45×102=1.25×88=2.64+3.85+1.54=
    8×1.25=5.6÷3.5=4.2÷0.7÷6=0.4×8.6×25=
    0.27÷0.3=2.5×101=0.65×101-0.65=2.6×7÷2.6×7=

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