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ctg((1/2)*x)
(sin(x^4-1))^5
6;7;5;6;2;0
x^2-1 > 0;x
x
4/x <= x;x
x
| 2x^2+2y^2-28x+12y+144=0 | | 64=5x+14 | | 7t=833 | | 15p+p-12p=20 | | 8(x+3)=6x+4+7x | | 5(2y+3)=3(4-p) | | -4v=-132 | | 3x+18-7=4 | | 24=3x+7x-6 | | b-27=44 | | 90=4u+10 | | -13=w-2 | | 13r-7r+r-2r=19 | | 7(r-2)=r-26+4r | | 3(5x+3)-3=15x+6 | | g-80=14 | | k-4=69 | | k-11+6k=2(k+2) | | k-k+2k=20 | | 14y+2y+y-16y=8 | | 34+4y-1=14y-9-4y | | 4+3+3= | | -37-5y+16=-21y+6+13y | | 4+20=-75 | | -4.2x+3=2.5-6 | | 19y-13y=6 | | -8f+169=-799 | | 3b-2b=18 | | -5(x+8)+47=12-6x | | 2a-a=9 | | 102-8z=78 | | 178+-4t=-298 |