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2*(T/x)^0.5*f*(k-l)
2*(T/Y)^0.5*f*(k-x)
2*(T/Y)^0.5*f*(x-l)
-5*cos(5*x)
(2*(57/99))/15
| 4x+25=5 | | -x-4(7-4x)=103 | | 6x-15=4x+45 | | 8a=34 | | Y-2=67 | | 5x^3=7 | | Z-7=37 | | 6/5×10/2 | | 20-5+5= | | 2a+7+109=180 | | 8x-16x^3=0 | | 6-(9Xn)=-39 | | Z-4=48 | | x(x+11)=-28 | | 9+2(1-8x)=-8+10x | | 2x+21=45 | | W-11=39 | | -3(6x+10)=-66 | | 18g+2=45 | | W-11=38 | | 2x^2-x=66 | | 5(4x-10)=5(-10-5x) | | x^2+0=10x | | M+28=28 | | 5(1-3x)=155 | | 1=-3a+4a | | 6n+7-2-14=4n+8 | | 6b^2=13b | | T-12=32 | | 8x=368 | | 83+x+59=142 | | cos(15)=18/x |