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50^2*pi
3.14*8.5*(1/3)*6^2
(-x)^5+16*x^2 = 0;x
x
3.14*10*(1/3)*6^2
18.3;25.1
| 1/3(3.14)(6)2(8.5) | | 6x+6+80+x=180 | | 2d+1.9=2.87 | | 36x^5+30=0 | | 6x+6+80=90 | | 1/3(3.14)(6)2(10) | | .7-3.2=1.7 | | Kx^2-y+(k-1)x=0 | | 2x+2y(2-1)=22-2y | | -4x+6=-x+15 | | 2d+1+d+3=3d | | 1/2w-6/5=-5/3 | | -9-19a=-6 | | 1/3(3.14)(8)2(8) | | 4.2x-5=1.4x+3.4 | | 3+4e^5x=15 | | 1/3(3.14)(8)2(16) | | 4m-m-m=16 | | (3x+50)+(6x-10)=180 | | 8y-3y+5y-4y=18 | | 1/3(3.14)(2)2(3.8) | | 36+u=6(7u)+u | | 1/3(3.14(2)2(3.8) | | 16x+5x+(-9x)-(-4x)-11x=(-5) | | Cos72=4/x | | 1/3(3.14)(3.5)2(8) | | 7/8x2/5 | | 2x+12+6x-4=48 | | A=2ab+2ac+2ac | | 4[3-(2x+8)]=4(4x+6) | | x+3x+2+55=180 | | 13u-(-5u)-10u=16 |