Mathematics
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    22.70×10×5
    1844.50+561.00+851.00+780.00+354.50+354.50+21.00+70.00+70.00+1738.00
    141.85×50
    1844.50+561.00+851.00+780.00+354.50+354.50+2.10+7.00+7.00+1738.00
    34.76×10×5
    0.14×10×5
    0.42×10×5
    7.09×10×5
    15.60×10×5
    17.02×10×5
    36.89×10×5
    1000-800(1+15%)50
    1000*(1+15%)*60
    1000(1+15%)*50
    1000-800(1+15%)60
    34.76+0.14+0.14+0.42+7.09+7.09+15.60+22.70+17.02+36.89
    1000÷70.47×24.5%×100
    1000÷70.47×0.1%×100
    1000÷70.47×0.3%×100
    1000÷70.47×5%×100

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