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4.2;2
(-3)^(4)
463;506
2*x-x-(3/4)+4 = 1;x
x
5*x-10 = 4*x-2;x
x
| t-5k=21 | | 2h-h=15 | | -7=n+19 | | 2b+b=9 | | x+(x*1.3)=1500 | | 5x-3(x-5)=-4+5x-5 | | 8k+2t= | | 2x(3)=60 | | 44=2n+19 | | x^2+y^2-8x-8y+28=0 | | x+(-6)=-28 | | 2(8x-1)=2 | | х/54=5/6 | | 3cos(2x)-7cos(x)+5=0 | | x^2+4x-1+k(x^2+2x+1)=0 | | 7x-(-4)=32 | | 3/4(8r-16s)2= | | x^2+y^2+4x-4y-73=0 | | 3p-38=p | | 175=95-x | | Ln(x+2)+lnx=ln(x+2) | | 15-4x=2x-7 | | 2/3×3.14×2^3 | | 12f-9=11.6 | | 7x-3=-3x+5 | | 4.2(3m-2.7)-6.3=3.8-1.5(6.2m-5) | | 7(x+7-12)=0 | | 4x*9=10 | | 3x^2=-10+17 | | X/-11=-4 | | 2y/7=14 | | 3(2x-5)=5-2(4x-7) |