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ctg(x)+2*((ln(x))^2+1)
3/8 = 225/n
698;315
63;5
349;2
| 0.4x=0.7+0.6x | | X+30+x+25+135=180 | | 3x-11y+1=0 | | 3x^2+30x-3600=0 | | 3/8=225/n | | 0=2x^2-16+24 | | X+49+49+90=180 | | 16x+4y=40 | | X-22/23=-12/23= | | 7x-4x+14=2x+8 | | X+42+50+90=180 | | 2x-(3x+8)=2x-20 | | -18l=28 | | 14x+5+58+47=180 | | 13x-4=61 | | 2x-2=22-x | | -18l=-10 | | -9(7r+3)+6(4r+6)= | | -18=-10 | | 2x^3-3x^2-12x-12(m-2)=0 | | X+51+65+70=180 | | X/14=20 | | X/4-4/5 | | 3(4x+1)=87 | | 65=3x-10+2x | | 3X^2-9X=4 | | 12x=-2x+14 | | 2n+1=51 | | 12l+18=20l+10 | | 25+3x=25 | | 5x-2(2x)=6x | | y/-312 |