Mathematics
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    1459.21-299.011*2.5+44.968+0.16+3.264+2.5+0.16+9.338*2.5*2.5+0.522*0.16*0.16
    (18500×12.387+8.44X)÷(18500+X)=10
    x^2-140x+675=0
    6x+x=350
    x^2/(1-x)(4-x)=2.6
    x^2/(1-x)(4-x)
    -2*0
    -2^2
    6.6*10^-11*70*52/1.5^2
    1256.8/1295.9=(1+x)^(997/360)
    0.74=((x-sinx)^(5/3))/(2πx^(2/3))
    726/57 685/23 280/50
    7/3
    40*80=80x+78(40-x)
    (54000 - 5.824X)÷ 45.5X ×100%=3.8%
    (36-4x)(20-3x)=36*20*(1-1/5)
    (x-20)(50- (x-180)/10)=10890
    x(26-2x)=140
    x(26-x)=140
    24+24X-10+20+16+16X^2+32X = 65

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