6.5-6.2-(6.5/1.13*0.13-0.713)-(6.5/1.13*0.13-0.713)*0.12-(6.5/1.13+5.487)*0.0003-{(6.5/1.13-5.487-(6.5/1.13*0.13-0.713)*0.12-(6.5/1.13+5.487)*0.0003)*0.05}
    {(6.5/1.13-5.487-(6.5/1.13*0.13-0.713)*0.12-(6.5/1.13+5.487)*0.0003)*0.05}
    arccos0.89
    32120+64176.7
    0.2-0.1*e^0.3748225
    7/5*13+7/11*26+7/2*52
    ln15
    ln15
    2-4+（2*4）-2+（222+444）/2
     3*7*11*13*37*73*101*137*9901*99990001
    -1╱2
    arcsin0.01
     ½
     π+1
     e
    1440.61×［1-1/（1+8.0%）^67.36］
    29.00×1×1.35%
    29.00×(1-6.30%-0)×12
     9一4
    sin3=

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