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(e^X)/(X+1)
72.49-(4.19*(x+0.734)*((x*y+0.734*65)/(x+0.734)))+0;59.31-(4.19*x*(130-y))+0
(5*(13-7))/2
(5*(13-5))/2
((X^2-(3*X)+2)/(X^2-(7*X)+12))^(1/2)
| 4x-18y=14 | | .5x+16=x-4 | | 8x-6y=-72 | | 18+4x=36 | | 9x+29=a | | 5x+26=-8+3x | | 4+5b-2= | | 5*(13-7)/2 | | 5*(13-5)/2 | | y=6x^2+15x+5 | | 5*(13-5)/2=15 | | x*1.05+4=147 | | 25x−3y20/35x5y4 | | 6x+9=-1X+27 | | 2=-17+v | | 71-1X=11x+80 | | V+15=31 | | 11x+2y=107 | | 6x^2+9y^2=240 | | K-2=15 | | 15x+10y=60 | | 17m=255 | | -12x-3=151 | | 1=a+16 | | 11=11+x | | -14=-17+a | | 5(3a+4)+3(4a-5)=10 | | 2(x-8)3/2=54 | | 4k=60 | | 0.12x+20=80 | | 19+4th=1-5h | | K-20=-30 |