(25×2+2x)×0.9＝25×2+2(x+4)
    16x²+9x²=1
    150*21.1x*（1-0.002/3/0.0033）=157*360-157*0.0018*200+200*157*0.0033*(165/x-1)+240000*150*0.0033*0.167*(200/x-1)
    21.1*150x=360*157+150*0.167*0.0106*240000
    21.1*150x=360*157+150*0.167*0.0075*240000
    99-x÷2=4
    108+ x =0.618x(180+ x )
    150*21.1x*（1-0.002/3/0.0033）=360*157+200*157*0.0033（165/x-1）-200*157*0.0018+240000*（200/x-1）*0.0033*150*0.167
    x²-x+2=0
    X+（3700+X）*0.23=4094
    702*(1+x)^4=1271
    400/x=（400/0.8x)-2
    x^3-1=0
    x=99^33
    x=99^3
    x=99^2
    x=99^156
    x=3^15
    x=3^2
    8=3.5x+0.5x

Home page << page616 page617 page618 page619 page620 ... ... page622 page623 page624 page625 page626 >> Last page 31249 pages in total