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    (4＋0.4)×0.25=

    答案：1.1
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    科目：小学数学 来源： 题型：

    口算
    （1）70×80=
    5600
    5600
            3.7×0.5=
    1.85
    1.85
         3.2×100=
    320
    320
          8.9-3.8=
    5.1
    5.1

    （2）3.8+2.5+6.2=
    12.5
    12.5
        12-6.2-3.8=
    2
    2
       1.7+0.43+3.3=
    5.43
    5.43
        3.4-1.5-0.5=
    1.4
    1.4

    （3）
    8
    9
    +
    1
    9
    --
    2
    7
    =
    5
    7
    5
    7
         1.4×5=
    7
    7
        650-470=
    180
    180
        79+2.1=
    81.1
    81.1
        
    （4）3.14×3=
    9.42
    9.42
          6.7+3.4=
    10.1
    10.1
       2.01×0.4=
    0.804
    0.804
       
    6
    13
    +
    7
    13
    =
    1
    1

    （5）3.99+5.2=
    9.19
    9.19
       23+6.68=
    29.68
    29.68
       7×0.08=
    0.56
    0.56
        0.25×0.4=
    0.1
    0.1

    （6）22×0.2=
    4.4
    4.4
       99.9+1=
    100.9
    100.9
       0.72÷6=
    0.12
    0.12
       3.9÷1.3=
    3
    3

    （7）0.8×0.8=
    0.64
    0.64
       5.88+3.12=
    9
    9
       1.9+2.1=
    4
    4
       26÷2.6=
    10
    10
      
    （8）340÷17=
    20
    20
       9.3÷0.3=
    31
    31
      13×4=
    52
    52
       3.6×5=
    18
    18

    （9）1.5×4=
    6
    6
       20×16=
    320
    320
       28×3=
    84
    84
       3.2÷4=
    0.8
    0.8
     
    （10）0.28×100=
    28
    28
       3200÷1000=
    3.2
    3.2
       0.5×100=
    50
    50
       4×0.125=
    0.5
    0.5

    （11）340+120=
    460
    460
        
    1
    4
    +
    1
    2
    =
    3
    4
    3
    4
       2.5÷5=
    0.5
    0.5
       4.95×10=
    49.5
    49.5
       
    （12）12-
    1
    2
    -
    1
    2
    =
    11
    11
       1÷0.25=
    4
    4
      5×0.13=
    0.65
    0.65
       12×0.05=
    0.6
    0.6

    （13）3.08÷0.1=
    30.8
    30.8
       0.35×6=
    2.1
    2.1
       25÷0.5=
    50
    50
       1.5×3=
    4.5
    4.5

    （14）4.3-2.7=
    1.6
    1.6
       8.1÷0.9=
    9
    9
       12÷1.2=
    10
    10
       0.48÷6=
    0.08
    0.08

    （15）2.6÷26=
    0.1
    0.1
      0.72×5=
    3.6
    3.6
         4.8+3.2=
    8
    8
       5.7÷0.3=
    19
    19
    ．

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    科目：小学数学 来源： 题型：

    4.5+6.3 6.5+4.8 8.6+7.7 10.05+0.4
    34.6-4.9 9-4.2 3.45÷10 65.5÷10
    9.43÷10 3.2÷100 2.75×10 6.783×100
    0.35×2 0.8×6 5.2+1.7 0.01×8
    1.6×0.3 7.31×100 3.8×4 6.3×0.1
    0.8×0.9 0.7×1.2 2.5×0.4 4.5-1.5
    7.5-0.1 0.125×8 0.23×0.5 9.6+5
    8.36+0.75 0.35×6 0.83+0.6 3.16×2
    0.65×2 4.7×0.4×0 0.09×6 0.4×0.1
    2.3×0.3 8.3-2.4 5×0.02 1.68+3.34
    9.6÷6 0.03×1.2 0.4+1.5 7.9×0.01
    0.45+0.55 1.2+43 9.2-0.8 0.85×4
    10.3+2.9 100×0.6 0.3×7 125×0.8
    2.5×4 3.7+4.8 7×0.08 3.6÷0.6
    9.3+0.7 0.162×100 4.2÷3 0.25×4×1.2．

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    科目：小学数学 来源： 题型：

    3×1.5= 2.5×4= 0÷0.9= 4÷0.2=
    0.56÷0.7= 0.24×5= 0.2×5= 2.1-0.87=
    3.54-3.5= 3.4-1.5= 12÷0.6= 8×0.125=
    0.7×11= 0.13+1.7= 3.15÷0.5= 0.9÷4.5=
    0.2×0.3= 1.2+0.56= 3-1.7= 1÷0.25=
    78÷1.3= 15÷0.3= 2.1+1.49= 6.24-1.5=
    1.2×0.3= 6.3÷6.3= 1.6×0.2= 3.7-1.2=
    4.58-3.5= 72.8÷8= 3.5×0.3= 0.25×100=
    3.2-2= 0.51÷17= 5.3÷0.01= 1.03×3=
    2.8+12= 3.5×2= 2.2×0.1= 1-0.25=
    0.62-0.32= 6.3÷0.21= 1.7×10= 0.12×3=
    0.45×2= 1.2÷0.3= 1÷2= 4.8×100=
    0.25×8= 0.89÷8.9= 17.8+2.2= 0.8÷0.2=
    5.79÷0.1= 0.35+0.65= 8.9-0.9= 9.2-9.2=
    3.6÷0.4= 15.15÷15= 0.2×0.3×0.1= 1.34×4×2.5=

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    科目：小学数学 来源： 题型：阅读理解

    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：小学数学 来源： 题型：解答题

    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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