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sin(t)/cos(2*t)
17.5;12.5
1-e^-x
2205;15
37.65;0.5
| 6(p-2)=42 | | 125-u=202 | | 30p^2+78p+36=0 | | 203-y=93 | | 58=-v+155 | | w+9=2 | | (1-3/5x) | | x^2+3y^2=4z^2 | | c^2=a^2+b^2+ab | | 7(p-6)=42 | | -43=x/2 | | 4w=27+w | | 2(5z-3)=-3z+20 | | -x/5=-44 | | 128=-16t^2+128t+5 | | 5,642/x=13 | | 1/6x×4/15 | | 5,426/x=13 | | 17=y/2-17 | | -x/7=41 | | x=40-2/5 | | -21=-x/6 | | 147x^2-189x+60=0 | | (5x+4)(x-10)=61-(x+1) | | -u/9=55 | | 3w+8=62 | | -36/-.6 | | 16x^2-25y^2-128x-144=0 | | 39.4+-7.2=x | | 6=5x+x | | 12=6w-4w | | 5(x+3)+9=2x-2-1 |