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cos(0.5*x)/cos(x)
63040;40
2*x^(1/2)
1*x^3-3*x^4+9*x^2+3*x-2 = 0;x
x
8024;8
| -14+5x=12+7x | | a=2000/(a-10) | | Logx(3.9)=6 | | 16x-18=6x-10 | | -8+4x=12+15x | | 6(2x+5)+7x=20 | | X=500+.006x | | 5q-5=-5 | | 4.5-0.4=8.6 | | Cos(x+40)=0.9 | | X-.06x=500 | | -8+4x=-12+19x | | 17/12x=31 | | (17/12)x=31 | | 21n(3x)=-2 | | 31=4x | | x^2-39x-248=0 | | 9w=6930 | | 2(7x-6)+9(3x-1)=10 | | 16x^3+12x^2=4x+3 | | y=ln(0.5) | | 4(6x-5)+3x-3= | | 6n-(-7n)+(-12n)=-6+2 | | X+3+x=15 | | 6n-(-7n)+(-12n)=-6-2 | | 8x^3y-8x^2y-30xy= | | 14x+18(47-x)=750 | | 60=x+(2x)+(2x+1)+(x+5) | | y=10+.75x | | 4/5x-3=2/3-7 | | 14(47-y)+18y=750 | | Q^2-20Q+80=0 |