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r in (-oo:+oo)

3.14*(1/3)*r^2 = 0

1.0466666562*r^2 = 0 / : 1.0466666562

r^2 = 0

r = 0

r = 0

| -122+3x+8x=153 | | log(x)+log(x+3)=2 | | 3+y=(-y)32 | | -x-5x-22=50 | | 4+y=2y | | x(12)=6(x)+4 | | 3w+6=6w | | -107+x+7x=77 | | 10x+2-2y=8(x+1)-7 | | -193-12x-7x=73 | | 5/9d=314/ | | 5/9d=31/4 | | 0.15(n+24)=9 | | 7t-6=9t | | 9c=5+4c | | 2(5y-3)+8=3y-5 | | (6x^2-5x-21)=0 | | 10x-5x-90=40 | | g(2)=1/2*2 | | 3a+2b=87 | | -4x-27+x=15 | | -2(k-11)=7 | | Y+x-8=4x | | -2x+4x-30=30 | | 5b=2b+6 | | 6.3-1.4+3.5=52.5 | | -21-4x+6x=31 | | x=4+4+10 | | (3x-60)=180 | | -5m+36=-7(m-6) | | 12=3/4v | | -4y+7*3=-24 | | 2x+8=-4x-4 | | 9B+3B=30 | | 4+4+10= | | 4x-2x^2-1=0 | | (3x-60)= | | 5u/=20 | | 8b-3=2b+21 | | -18-(-24)/(-6) | | x^56=200 | | 5n-15=-35 | | 30=2w+3w | | 72=13u-5u | | 37=(-22)+(-2) | | 6(d+6)=-4(d-6)+2d | | V=hwh/3 | | 5a+1b+.5c=100 | | 4-7*8+3= | | 25x+50=50 | | 2(4n+5n)+15=2(5n+7n)-15 | | 3x/5=6/25 | | 1.709x-3394= | | 300n^2/(240000-300n^2) | | 300n^2/300n^2 | | 3^-4/3^2 | | 14-19=0 | | 3t=t+84 | | 3w=w+36 | | 3000=262.50*R*3.5 | | f(x)=5x^1*0.6 | | (x^-5y)-^1/y^3= | | 5(6x+5)=-215 | | 4z+1=6z-5 | | e^4-8x=1728 |

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