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4-1*3
2.333*x+0.6667*y-600.006;0.6667*x+0.4444*y
113.84;91.27
1*x^3+1*x^2-(10*x)+0 = 0;x
x
56;35.27
| sinx=sin(5^/9 | | sinx=sin(5pie/9 | | X*x+1=702 | | X^3+5x^2+6x+1=0 | | Sinx=sin(3pi/5 | | sin=sin(5pi/9) | | ln(15x-20)-ln(5)=3 | | Cosx=cos-11pi/9 | | x^2+mx-2m=0 | | 57x-10y=m | | Tan64=x/15 | | 0.2x+x=5000 | | 15/108÷4/9 | | 15/108*9/4 | | 0.2x+x=4000 | | 15/108×9/4 | | x+0.2=4000 | | sin(x)tan(x)=4 | | 2*(x-1)=4-x | | (sinx)(tanx)=4 | | 2x+4=2-4x-1 | | 40+2x=2y | | cos(3x)=0.9 | | sin(3x+15)=0.5 | | .70x+.50y=6.30 | | 7(6x+6)=966 | | 7(6x+6)=996 | | 2x+15=9x-160 | | 9(9x-5)=1008 | | 8x+10=5x+52 | | 10x-17=8x+23 | | 10(8x-6)=2020 |