0.09+3.05*11.988647^(-0.5)
    0.09+3.05*11.177536^(-0.5)
    0.09+3.05*(1.308504)^(-0.5)
    0.09+3.05*1.308504^(-0.5)
    0.09+9.3*1.308504^(-0.5)
    9.3025*(1+√1+0.09*21.4/9.3025)/21.4+0.09
    9.3025*(1+√1+0.09*22.2/9.3025)/22.2+0.09
    9.3025*（1+√1+0.09*21.4/9.3025）/21.4+0.09
    sqrt(1950)
    sqrt(2420)
    1191.06*sin(360*0.281)*sin(360*0.281)*sin(360*0.281)
    1191.06*sin(3.141*0.281)*sin(3.141*0.281)*sin(3.141*0.281)
    300*25445/1000 *0.45/3.141
    2/3*14.3*1000*0.785*0.5/3.14159
    5/4×3.14×〖0.039〗^2×7490/√1.36=
    2/3*14.3*1000*0.785*0.5*sin(3.141*0.281）*sin(3.141*0.281）*sin(3.141*0.281）/3.14159+300*25445/1000 *0.45*（sin(0.281*3.141）+sin(3.14*(1.25-2*0.281)))/3.141
    2/3*14.3*1000*0.785*0.5*sin(3.141*0.281）*sin(3.141*0.281）*sin(3.141*0.281）/3.14159+300*25445/1000 *0.45*（sin(0.281*3.141）+sin(3.14*(1.25-2*0.281))/3.141
    2/3*14.3*1000*0.785*0.5*（sin(3.14159*0.281）)^3/3.14159+300*25445/1000 *0.45*（sin(0.281*3.14159）+sin(3.14*(1.25-2*0.281))/3.14159
    sqrt(1740)
    2/3*14.3*1000*0.785*0.5*（sin(3.14159*0.281）)^3/3.14159+300*25445/1000 *0.45*（sin(0.281）+sin(3.14*(1.25-2*0.281))/3.14159

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