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1/27 = 3*n
10*n = 1/10
x+y-6;x*y-8
(5/3)*(x-2)-1 = 2/3
cos(x)*sin(x-a)
| -4rp-3=-27 | | 9(8-11x)+11(12-x)=94 | | 10f+(9-8)=22 | | 170=-8(2+4k)+k | | -89=3(2-5k)+5(1+7k) | | 6x-40+x=180 | | An=1 | | 1/27=3n | | 5x^2+20=80 | | 10n=1/10 | | 2n^2-162=0 | | 102=26-7x+3x | | x+1.8=5.6 | | 5/3(x-2)-1=2/3 | | G(x)=-3x^2+24x-45 | | 3y=-9x+6 | | (w-3)(w-3)=-2w+54 | | (x-7)2+(y-5)2=4 | | 3/9,5/15 | | 1,2x=-4,8 | | 0=x^2+4x+14 | | (5m+6)(m-6)=0 | | ×/6=10 | | ×/6=6 | | 9t(5t+4)=0 | | 3x-6/(x-2) | | (g-6)(g+9)=0 | | 7p(p+7)=0 | | 11-4h=10-7h | | -5(x+3)-43=4-27 | | 11-4h=10-h | | 24k^2-43k=0 |