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    27.009+1.267= 46.208+1.896= 3.78+2.07= 1.786+23.567= 13.56+2.76= 13.89+1.79= 245.1+6.4= 67.8+1.3=
    3.08+12.78= 35.09+1.26= 3.09+1.18= 2.25+5.09= 35.27+1.68= 1.06+4.27= 2.78+3.01= 0.009+78.089=
    2*1.2*1372*sin2.5+1.2*8.6/5.8*1.25^2*51.42^2*(cos2.5)*((2.9-0.287)^2*cos2.5/2-0.287*(2.9-0.287))=
    2*1.2*1372*(0.7*2.9-0.287)*cos2.5-1.2*8.6/5.8*1.25*1.25*51.42*51.42*(sin2.5)*((2.9-0.287)^3*cos2.5/3-0.287*0.5*(2.9-0.287)^2)=
    2*2^2*3
    2*sin90*2+1=
    2*sin90*1+1=
    2*sin90+1=
    9.6÷1.2
    9.8÷1.2
    13.5÷4.5
    27+27
    0.689×2.5×7.80+3.95/2×(1.443-0.689)×2.5×0.916
    (1+0.405)×1.0×10.5×[0.773×7.80+3.95/2×(0.636-0.773)×0.916]
    8.6/5.8*51.42*51.42*(0.287*(2.9-0.287)+0.5*(2.9-0.287)*(2.9-0.287))=
    (1+0.405)×1.0×0.773×(291.2×15.60/4+105×30.42)
    0.1767×ln10.837-0.0157
    (3^0.03-1.02)/-2
    2*1.2*1372*(0.7*2.9-0.287)*(cos2.5)-1.2*8.6/5.8*1.25*1.25*51.42*51.42*(sin2.5)*((2.9-0.287)*(2.9-0.287)/2*(cos2.5)+0.287*(2.9-0.287))=
    π/(2×〖15.60〗^2 )×√((3×10^7×0.1197)/1.274)

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