Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    280.67×6.6-1/2×0.48×0.7×6.62-1/6×24×0.7×6.63
    171.09×5.23-1/2×0.52×1.6×5.232-1/6×24×1.6×5.233
    56+89
    2*19.8*2.14
    (20+18.0×0.7+19.4*3.4+19.2*0.8+19.8*4.1+20*1+22*1.6+24*4.3)*0.22-2*25*0.47
    (19.8*2.7+20*1+22*1.6+24*4.3)*4.6+2*24*2.14
    (22*0.22)/2*(2/3*0.22)+((32.75+62.48)*3.4)/2*[2/3*3.4*(2*32.75+62.48)/(32.75+62.48)+1.1]
    (19.8*2.9+20*2.1+22*0.9)*3+2*22*1.73
    (20+18.0×1.6+19.2*2.4+19.8*5.2+20*2.1+22*0.9)*0.33-2*20*0.58
    (20+18.0×1.6+19.2*2.4+19.8*5.2+20*2.1)*0.33-2*40*0.58
    (20+18.0×1.6+19.2*2.4+19.8*5.2+20*2.1)*0.52-2*40*0.72
    (20+18.0×1.6+19.2*2.4+19.8*5.2)*0.52-2*54*0.72
    (20+18.0×1.6+19.2*2.4+19.8*2.9)*0.61-2*31*0.87
    (20+18.0×1.6+19.2*2.4+19.8*2.3)*0.61-2*31*0.87
    (20+18.0×1.6+19.2*2.4+19.8*2.3)*0.61-2*54*0.87
    (20+18.0×1.6+19.2*2.4+19.8*5.2)*0.61-2*54*0.87
    (20+18.0×1.6+19.2*2.4)*0.61-2*31*0.87
    (20+18.0×1.6+19.2*2.4)*0.61-2*31.0*0.78
    (20+18.0×1.6)*0.61-2*10*0.78
    (20+18.0×1.6+19.2*2.4)*0.61-2*10*0.78

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