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    57+13?20= 【查看更多】

     

    题目列表(包括答案和解析)

    0.36÷12=
    5
    7
    ×
    14
    45
    =    		 10×1.05=
    9
    20
    ÷9=    		 84÷0.7=
    5-2.4= 8×
    5
    16
    =    		 4.37+6.63= 5÷25%=
    1
    2
    ×
    3
    5
    =
    2
    15
    +
    3
    15
    =    		 7÷1.4= 72.8÷0.8=
    4
    5
    -
    1
    3
    =    		 16×0.001=
    （
    1
    4
    +
    1
    5
    ）×20=    		 1.25×
    4
    5
    ×8=    		 8.2+0.54+0.46= 1÷
    5
    9
    -1.25=    		 125×0.8-100=

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    3
    4
    +
    1
    2
    =
    1
    3
    -
    1
    4
    =    		 12×
    3
    4
    =
    1
    5
    ÷3=
    2
    7
    ×14=    		 20÷
    4
    9
    =
    2
    3
    ×
    7
    8
    =    		 0×
    2
    13
    =
    2
    5
    ÷
    3
    2
    =
    1
    2
    ÷
    2
    3
    =
    5
    7
    ÷1=    		 14×
    5
    7
    ÷14×
    5
    7
    =

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    2.2+3.57= 27×
    1
    9
    =
    4
    5
    ×
    3
    4
    =    		 20×
    1
    4
    =
    1
    4
    ×
    2
    3
    ×
    1
    5
    =
    1
    2
    ×
    1
    3
    =
    6
    7
    ×
    1
    3
    =
    1
    6
    ×
    4
    7
    =
    5
    16
    ×
    18
    15
    =
    1
    3
    ×（1-
    1
    4
    ）=

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    口算．
    1
    3
    -
    1
    4
    =    		 42÷10%= 1-0.5= 48×12.5%=
    9×
    1
    9
    ÷9×
    1
    9
    =    		 （
    1
    4
    -
    1
    5
    ）×20=    		 7.2÷0.08= 5÷
    5
    7
    -
    5
    7
    ÷5=

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    72÷4=
    18
    18
             		 57÷19=
    3
    3
             		 540÷90=
    6
    6
            
    52÷13=
    4
    4
    		 18×5=
    90
    90
             		 600÷4=
    150
    150
        
    360÷60=
    6
    6
               		 32×3=
    96
    96
    		 840÷20=
    42
    42
       
    25×5=
    125
    125
             		 240÷40=
    6
    6
                		 12×8=
    96
    96
    7+18-8=
    17
    17
    　    		 560÷70÷2=
    4
    4
    		 80-（40-19）=
    59
    59
     
    20×（36-6）=
    600
    600
    ．

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