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3.14*216*(4/3)
15*(4/63)
(4/3)*3.14^216
1*x^3+5*x^2+16*x+20 = 0;x
x
x
| -5(a-4)=-25 | | 6x+5x=8+3x-4 | | 3nat=11 | | x^2+((x+7)(x+7))=((x+8)(x+8)) | | 3b-6+2b=24 | | -5.9y=3.9x | | (9x-11)+(9x-11)=(16x-12) | | -9-7(1+4v)=25 | | x+17=13x-18 | | y-10=2(x-6) | | (3y+12)-(-12y-6)= | | (5c+3)(-c+2)= | | 60+x(-16)=0 | | x(-16)=0 | | 4b-3a+b= | | 5x+38+6y+22+12x-28=360 | | 12x-17=3x+12 | | 5^x1/25 | | 50n=100 | | P-7/p-5 | | 3(2+x)=2x | | 1x/4=10 | | 8-6x/4 | | 2a+2n=4.5 | | 5x-(20)=40 | | 2(6w-5)=3(4w-3)-4 | | c=6n-25 | | 20=(-42)+x | | ×/150=4/25 | | 3D+4=1d+18 | | 9x+10=13x-58 | | 2-x/3==-5/2 |