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55*1.22^x
5000*(1-(60/80))^2
(4*x^3-(2*x^2))*(5-(3*x))
3*x*ln(8*x)-(3*x)
117/200
| 6(8+x)=72 | | 3/4x=2-5 | | 62:24-5/4 | | 11y-21+3y+19=90 | | 36+x+40=180 | | 11y-21+3y+19=180 | | 1.2r=4.2 | | (9+w)(5w-3)=0 | | 2x-7=-10-x | | -16x^2-8x-64=0 | | 3(5+x+4y)+4(3+2x+3y)= | | x-8=x^2 | | 0.05(y-7)+0.50y=0.05y-0.20 | | 5+2n=29 | | -11+10(x+1)=4-5(2x+11) | | -7(5x-7)+1=-35x+50 | | .05=7D/7=12 | | 12x-17+3x+2=90 | | 750=150m | | 12x-(3x+8x)=14 | | 6x+48-4= | | 4(3+x)=309-7x | | 64=4/3x | | 6x-7=4x+23-4x-1+10x | | 4(5x-42)=-10 | | x^2+y^2+2x-10y+35=0 | | 2p-10=20+4p | | 3r+2(r-4)=22 | | 9-54x+81x^2=0 | | -5x-10=20-5x+10 | | 11-41=3(x-4)-3 | | 5x+3=10x+30 |