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15/0
0.86*20000*t
13 = 1/5
((1-((x^2)/4))^1)/2
9*x-tan(9*x)
| 8x+2=-8+6x+13 | | 14x^3+21x^2+10x+15=0 | | N^2-16-11=6 | | 4(3x-7)-6=4(x-4)+38 | | 2w+4w-80=220 | | -22=2r-10 | | 6-6x-2=-13+3x-10 | | -6a-4=-52 | | 2x-13=8-5x | | 2x/3-3=5 | | A/3-2=a-4 | | (3/4)^x=27/8 | | (2x^2)-7x=2 | | 9v^2-62v-7=0 | | (-6x^2)dx+(y^3)dy=0 | | .5w×1/3w=25 | | 26.5+.15a=14.50+.25a | | 5(4m-3)-2m=-13+m | | -9(y-15)-20=-3y+-1y+-5 | | 2w+6w-24=640 | | (2x^2)-(7x)=2 | | -9(y+-15)-20=-3y+-1y+-5 | | 63=6u+u | | -9(y-15)-20=-3y-y-5 | | (log0.9)/(log(0.5) | | 6x-(2x+19)=5 | | log0.9/(log0.5) | | 8x^2-x^3+x=x^2+13x | | (5x+4y)dx-(4x+4y)dy=0 | | 15/0 | | 119=-7n | | -12x+20y=160 |