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(pi*((ctg(x)*tan(x))^3)^3*tan(x))/(log(10)(x))
((ctg(x)*tan(x))^3)^3*tan(x)
(ctg(x)*tan(x))^3
x^3*ctg(x)*tan(x)
10000-(1600*x)
| 1.3=-6f-1.6 | | 6(y+2)=2y | | 1.5=5f-.5 | | t^2+2sinxt-1=0 | | 21x+19y=2550 | | 0.5(f+2.75)=3 | | 1x=8y | | 3=e^13*x | | 7x*(1/x) | | -4.5=-0.5(f-7.1) | | -6(x-5)=-36 | | (2y+5)(2y+5)= | | (-16)x^2+80x+4=0 | | 3x+x-11+3x=66 | | 5y=1/125 | | 3x+2y+2x+5z+7y+2x= | | -27+20w=16 | | (3v+8)(v-2)= | | 3x+x-10+3x=66 | | 1n-15=-8 | | 4x+(-4)=2x+8 | | 2g+5+2g= | | 7y=81-24 | | 9w-4+2w+9-5w=41 | | (x)(X+1)=145 | | 17×r/2=34 | | 7/8(3/5x) | | (x+1)*(x-2+1)=24 | | X^2+X-145=0 | | (x+3)(x+4)=x^2+7x+12 | | 2x=(-2)x | | X-10+x+2x+13=88 |