140=（4+x）（32-4x）
    （x-25+10）×0.6÷（（x-25+10）×0.6+（180-x+15×1.3））=24.6%
    140=4（x-2）²+128
    (100-x)²+400=3600+x²
    5x²+2x-1=0
    4(3x-4)²=(4x-3)²
    12x^6+12x^5+12x^4+12x^3+12x^2+12x^1=24
    12x^6+12x^5+12x^4+12x^3+12x^2+12x^1=18
    500/(x-25)+30(x-25)/x=30
    （25－X（300－30x）＝6300
    x3+21/100x+11/200=0
    0.2x+30=0.5x
    26*100/X/1.05/90*100=42
    49*100/X/1.05/90*100=78
    23*100/X/1.05/90*100=42
    23*100/X/1.05/90*100=43
    68*100/X/1.05/90*100=200
    57*100/X/1.05/90*100=101
    99*100/X/1.05/90*100=176
    90*100/X/1.05/90*100=176

Home page << page517 page518 page519 page520 page521 ... ... page523 page524 page525 page526 page527 >> Last page 31237 pages in total