0.0249×104.48×〖7.6〗^2
    2×26×1.4+1.1×24×1.2
    0.0151×101.6×〖9.0〗^2
    0.0249×101.6×〖7.6〗^2
    14²*3.14
    (6²－4²)*20*3.14
    3.14*3²*5÷3+3.14*9*2
    3.14*8²×12
    15.66-3.98
    89.84+8.99
    20-9.5-8.76
    29-10.57+29.8
    23.28+29.76+30.04
    √((6×182.5)/(1000×1.57))
    0.0347×62.2×〖9.0〗^2
    5.83+3.6-4.79
    0.0508×62.2×〖7.6〗^2
    6.5×10×1.4-1×24×1.2
    √((6×298.1)/(1000×1.57))
    0.0347×101.6×〖9.0〗^2

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