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    -2-1=
    (1-0.05)*24.222=
    tan098765456
    e12
    e123
    e13243542
    1+1= 2+5622162516221+1548651462= e999999= 783192032187^0921328437 A(987654567890,9876)
    1/2[7.54+2.46+(2.5×4)]
    43068×0.025÷0.028×0.005÷0.144×7×24÷5×0.0998×0.099.5
    39043×0.025÷0.028×0.005÷0.144×7×24÷5×0.0998×0.099.5
    63791×0.025÷0.028×0.005÷0.144×7×24÷5×0.0998×0.099.5
    320*9%+110*6%+277.5/1.09*9%+60.84/1.13*13%+3.09/1.03*2%+(160+12+8)*(1+20%)/(1-40%)*13%-5.2-0.09-1.04
    65.912136-53.13
    (160+12+8)*(1+20%)/(1-40%)*13%+5.2+0.09+1.04
     320*9%+110*6%+277.5/1.09*9%+60.84/1.13*13%+30.9/1.03*2%
    17595×0.025÷0.028×0.005÷0.144×7×24÷5×0.0998×0.099.5
    94787×0.025÷0.028×0.005÷0.144×7×24÷5×0.0998×0.099.5
    24314×0.025÷0.028×0.005÷0.144×7×24÷5×0.0998×0.099.5
    63346×0.025÷0.028×0.005÷0.144×7×24÷5×0.0998×0.099.5
    45310×0.025÷0.028×0.005÷0.144×7×24÷5×0.0998×0.099.5

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