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ctg(9*x)
(x+1)/(2*x+1)-((1-(2*x))/(x+1)) >= -1
2*(8/5) = 0
x^5+x^4-6*x^3-7*x^2+7*x+11;x+1
(x+1)/(2*x+1)-((1-(2*x))/(x+1)) >= -1
| 3.4x+8.3=1.5x+19.7 | | 4y+10=9y-17 | | 8/5*2 | | 2(3.14)9+2(3.14)(3)(4)= | | 4a+3=-4 | | X+3.2=180 | | 4(-5x+8)-x+5=15 | | 10a+b-ba=72 | | f=f(1-m) | | 1/2×2=x | | 2(3.14)9+(3.14)(3)(4)= | | 6x+12=4x+21 | | g/3-5720=15 | | 10a+v-v-10a=72 | | 3e-0.67=4.67 | | 2(1-x)=3x | | 17+b=21 | | -16=2(y-6)+2y | | f=f(1-m)form | | 3e-.67=4.67 | | C=pi/2 | | 6e=3e+15 | | C/2-15=-5 | | 39=7w+8(w+3) | | K-16=-27 | | 5(x+3)-9(7x-9)=14 | | (x+4)(x-2)(x-1)=60 | | 3w+6=4w+4 | | 20x+9=12-4x | | B+7=27 | | 1/9x=2.3 | | 2n+6=27-5n |