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(X^1)/2
x^2-(18*x)+80 = 0;x
x
(X^1)/2
(y^1)/2
3;8
| 2xln(1/x)-x=e^ln2x | | Y=5+1.2x | | 7x+20x+4x+6-7-11=360 | | 7u=5u+16 | | X+yo+(x-y)+yo=2+3i | | 5/6u-30 | | 2x+60+75=180 | | 5t+60t^2=-180t | | (9x-7)+(-3x+3)= | | -0.5x-x+1.5x=-0.1+0.2 | | 70x-60=410 | | 4=x/7-5 | | 18/8=x/6=10/y | | x-237=y | | 5x-8=x-8 | | log(x-9)-log(x-6)=1 | | xy-9+3x+xy+5= | | -28-6x-4y=0 | | 3(4x+13)-5(2x+3)=x+4 | | 20x-5(1+x)=5(4x-4)-40 | | d(t)=-16t^2+400 | | 35-4v=3v | | xy+x-xy+7y= | | 147.5= | | 1=1.2cos(2t+13) | | -2x+3x+6=0 | | 8.2=131.2 | | y=7x^2-25x-12 | | 7x^2-22x=-18 | | 3cos^2x+4sinx=4 | | 6*-3+13= | | abs(3x-3)=abs(5x+5) |