Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    5/2*300
    5*6000000
    1800-540
    0.6391*0.137+0.3609*0.052
    0.6459*0.137+0.3541*0.052
    1000*[1-1/(1.04^40)]+1000/(1.04^40)
    209080.756*5000
    40/0.04*[1-(1/1.04^40)+1000/(1.04)^40
    15÷5/3
    15÷3/5
    cos7.7
    134.377896*cos23.4*cos6/sin6
    134.377896*sin23.4+1120=
    (15.9×(5.8×15.4+24.71×10.1)/15.9)/((6.3-0.5+15.9)×10)
    (15.4×(5.6×15.4+24.71×9.8)/15.4)/((6.3-0.5+15.4)×10)
    (15.5×(5.4×15.4+24.71×10.1)/15.5)/((6.3-0.5+15.5)×10)
    ((5.6+9.9)×(5.6×15.4+24.71×9.9)/(5.6+9.9))/((6.3-0.5+15.5)×10)
    ((5.6+9.9)×(5.6×21.7+33.1×9.9)/(5.6+9.9))/((6.3-0.5+15.5)×10)
    (1431.15×12.48)/(1485.64×10.001)
    (4.63×1.05+1385.50×10.001)/(1385.50+4.63)

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