0.5×14.3×810000
    (1.1×21.48×10^6)/150000
    (10×300^2)/6
    (286.4×0.3)/4
    954.6/4×1.2
    0.677×(14.53×600^4)/(100×9350×8333330)
    (0.82×10^6)/166667
    0.1×18.9×〖0.6〗^2+0.177×2.15×〖0.6〗^2
    1.0×[1.0×(0.75+0.41+65)+1.0×(2.5+4)]×0.2
    1.1×1.3×(0.75+0.41+65)×0.2
    (7.5×12×41.4×0.1×0.1)/(2.2×41.4)
    0.1×94×〖0.2〗^2+0.177×10.73×〖0.2〗^2
    1.0×[1.0×(0.75+65)+1.0×(2.5+4)]×1
    1.1×1.3×(0.75+65)×1
    0.677×(72.5×200^4)/(100×9896×281250)
    (0.45×10^6)/37500
    cos15
    0.1×94.38×〖0.2〗^2+0.177×10.73×〖0.2〗^2
    cos10
    1.0×[1.0×(1+65)+1.0×(2.5+4)]×1

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