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3.152;84.756
225;5
x*(((x+1)^2)/2)
3020;5
x+x/2-1 = 2*x-(x/2)+1;x
x
| 5(x+3)+4(x+2)=6(x+2)+3(x-2) | | 1-x^2+9x^2=0 | | 8(4x-4)=-12x+12 | | -5.68+0.6b=b | | 2sobrex+8=10 | | 5x^2+25x+15=0 | | -16q=-5q+11 | | -9p-8=-10p | | 15x+8=8x | | 10-9k=-20k+1+12k | | 7m^2+21m=0 | | -5v+6=-4v | | 5a+2b=360 | | 48-6k=-12 | | 1/2×6×7.2 | | 5x*x+5x+10=5x+5 | | 6x^2-10c= | | 8x-20=2(x-5) | | 10y+9=11y | | -8(2m-7)=152 | | 14x-14x=10 | | 6r+7=31-6r | | X+2x=4x-7+5x | | -266=19n | | 3cubedx=81 | | 10-10j=-5j-6-9j | | 18n=-36 | | 6w+7w-8-5w=21-2w+11 | | 14x+11=39 | | x2=198/11 | | 2(r-5)+-7=1 | | g(x)=x^3+8x^2+20x+25 |