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(2*(57/99))/15
a/x
7/(e^4)
(1/(2*pi*x))*(a^2-b^2)^(1/2)
5/4 = 3
| 50+25x=10+30x | | x+1.5x=14200 | | 70c=49 | | -2x-6=4x | | 14=x+1.5x | | 9x-43x=76 | | 3y+9+10+6y+48y+120+30-6y= | | 5/3x-1/3=3 | | 11x+6(8x+3)=1670 | | 2a+3v=6.64 | | 8=3x+2x+8 | | 9/7=n/21 | | 1/9=a/18 | | 3v+2a=6.64 | | 2/4=a/12 | | 2x+2y+z=z | | 0.09274=sin(x) | | 7x-24+4x+15=180 | | X+8=12.6 | | F(x)=-2.5x+50 | | 1/÷2/3 | | 1/4÷2/3 | | (4t=8t)/2 | | tan(4x)=-tan(6x) | | 3/4(36X-8)-(6X-4)=22 | | x(x-9)=(x-12)(x+4) | | -2(c+7)-9(c-6)= | | 3/4(36x-8)-(6x-40=22 | | 5x^2+7x-8=5x^2+4x+1 | | x+30+x+35=45 | | 6+6x+80=15x+5 | | 7x-11+2x=7 |