x(25+1-2x)=80
    x^6 - 8x^5 + 5x^4 + 72x^3 - 85x^2 - 128x + 79 = 0
    (x-1)（x²-2x-1）=-16
    x^2/（100-x）=0.1311
    x^2/（100-x）=131.1
    (33-x)*(20-x)=510
    x^2-9.5x+10.7=0
    2x=5
    (X-23000)÷x＝30％
    0.5x=8
    4.2793=（（30.56*0.847（x+0.1））/（1+0.847（x+0.1））*（（100-8.28-1.4）/100）*（1/(1+0.31*1.4）+（（2.26（x+0.1））/（1.3*0.101325））
    1.2x-x
    1.2x=x+20
    x^2-2x-16
    n²+96n-288=0
    7x+8x=1.5
    x²=2
    sinx=2
    2 x - 10 - 3x + 5x = 28
    114x^5 - 514x^4 +19x^3 - 19x^2 + 8x - 10 = 0

Home page << page157 page158 page159 page160 page161 ... ... page163 page164 page165 page166 page167 >> Last page 31237 pages in total