Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    (41.6+y)÷2+y=18.2
    0.15*15x+0.85*38x=27000*0.53
    x2-6x+9=0
    0.15X*15+0.85X*40=27000*0.53
    3x^2-5x-12=0
    a(a-1)(a+2)(a+3)
    -5/9×1/3-4/3
    x^4+3*x^2+2*x+1=0
    (3x+9):(5x+9)=2:3
    40*0.85x+15*0.15x=14310
    2.6x-6.5+3.5=10
    5.4x+x=12.8
    13x-6.8+1.8x=56.8
    12-17535866
    210*3+139*8+104*15+44*30+32*40+44*50+32*60+32*70+13*80+77*90+2*100
    210*3+139*8+104*15+44*30+32*40+44*50+32*60+13*70+77*80+2*100
    210*3+139*8+104*15+44*30+32*40+44*50+32*60+13*70+77*80+2*300
    210*3+139*8+104*15+44*30+32*50+44*60+32*70+13*100+77*160+2*200
    210*3+139*8+104*15+44*30+32*60+44*80+32*90+13*100+77*200+2*300
    210*3+139*8+104*15+44*30+32*60+44*80+32*100+13*150+77*250+2*300

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