1389.59×794.74×0.495
    591.68×689.96×0.495
    150.38×585.78×0.4
    184.91×918.85×0.495
    603.85×689.96×0.495
    8*0.723*4.83+16*0.723*3.85
    ( 2)( 2) ( 1)( 5)
    10/cos50
    550+60+20+21.5+13.58
    27.5×[（1+0.0435）^1-1]
    800+60+20+21.5+18.83
    40×[（1+0.0435）^1-1]
    650+60+20+21.5+15.7
    33.5×[（1+0.0435）^1-1]
    23×[（1+0.0435）^1-1]
    (1+0.0435)^0.5-1
    19×[（1+0.0435）^1-1]
    19×[（1+0.0435）1-1]
    1.8/2.3
    10×(5/8－4/1÷0.25)

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