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cos(pi/4-6)
330;6
357;7
3;4;4;10;1;0
357;7
| n^2/3=9 | | 4y/16-3/8-y/16=3/16 | | 2x^2-2+14x=90 | | 3/13=t-6/13 | | 7/3-2m=4 | | F(x)=2x^2+3x-20 | | 7/3-2=4 | | 4.4=x-5-6 | | 15+2=3+x+6 | | 4x-22=26-2x | | y+10=14+x | | 2x/5-3/2=x/2-1 | | 4x-22=2x | | u^3-7u+6=0 | | d+4d-6d+9d= | | -7v+5(v+6)=66 | | 18-x=161 | | y+18=10y | | 0.3x+2.6x=5.7-1.8+2.8x | | 2n^2+28n+48=0 | | cos(4x)-cos(2x)=sen(3x) | | 6cos^2x-cosx-2=0 | | 42k^2-474k+540= | | 5-0.2(m-2)=3.6+1.6 | | 0.5n-0.35n=2.5+9.4 | | 3/4v=15 | | an=-7-8 | | -6f+3=2f-11 | | 6/5=2v | | x=32-3x | | 15a^2+36a+21= | | 6(X-6)=24-4x |