8≤2^x
    437.09 ≤(2÷3×14.3×500^3×(sin(3.14x))^3)+((14.3×500^2×x×(1-(sin(2×3.14x))÷(2×3.14x)))÷(1.25-3x)×500×(sin(3.14x)+sin(3.14×(1.25-2x))))
    437.09≤(2÷3×14.3×500^3×(sinπx)^3)+((14.3×500^2×x×(1-(sin2πx)÷2πx))÷(1.25-3x)×500×(sinπx+sinπ×(1.25-2x)))
    1+2x^3-3x^2 >0
    1-2x^3-3x^2>0
    1+2x^3-3x^2>0
    5X一37>25
    901.23≤2/3*14.3*3.14/4*sin(3.14*x)*sin(3.14*x)*sin(3.14*x)/3.14+x*14.3*(1-sin(2*3.14*x)/(2*3.14*x))/(1.25-3*x)*(sin(3.14*x)+sin(3.14*(1.25-2*x)))/3.14
    901.23<2/3*14.3*3.14/4*sin(3.14*x)*sin(3.14*x)*sin(3.14*x)/3.14+x*14.3*(1-sin(2*3.14*x)/(2*3.14*x))/(1.25-3*x)*(sin(3.14*x)+sin(3.14*(1.25-2*x)))/3.14
    4000(x-2)+1000x<30000
    4000x(x-2)+1000x<30000
    4000x-8000x+1000x<30000
    4000x-2x+1000x<30000
    4000x-8000+1000x<30000
    4000x+1000x+2000<30000
    x^2+3*x>16
    4x^2-12x+9≤0
    4x^2-12x+9<=0
    4x^2-12x+9<0
    5x^2-4x+1<0

Home page << page1247 page1248 page1249 page1250 page1251 ... ... page1262page page1263page page1264page page1265page page1266page >> Last page 1275 pages in total